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Finding the Fourth Proportional to 591,788.08, 887,905.60 and 355,295.60

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Solution

The fourth proportional to 591,788.08, 887,905.60 and 355,295.60 is: 533,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,788.08 : 887,905.60 = 355,295.60 : x
  2. Step 2: Convert to fraction form
    591,788.08/887,905.60 = 355,295.60/x
  3. Step 3: Cross multiply
    591,788.08x = 887,905.60 × 355,295.60
  4. Step 4: Simplify right side
    591,788.08x = 315,468,952,895.36
  5. Step 5: Solve for x
    x = 315,468,952,895.36/591,788.08
  6. Step 6: Final answer
    x = 533,077.57

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.