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Finding the Fourth Proportional to 607,325.60, 910,988.40 and 274,901.60

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Solution

The fourth proportional to 607,325.60, 910,988.40 and 274,901.60 is: 412,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,325.60 : 910,988.40 = 274,901.60 : x
  2. Step 2: Convert to fraction form
    607,325.60/910,988.40 = 274,901.60/x
  3. Step 3: Cross multiply
    607,325.60x = 910,988.40 × 274,901.60
  4. Step 4: Simplify right side
    607,325.60x = 250,432,168,741.44
  5. Step 5: Solve for x
    x = 250,432,168,741.44/607,325.60
  6. Step 6: Final answer
    x = 412,352.40

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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.