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Finding the Fourth Proportional to 569,487.24, 785,858.60 and 314,823.24

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Solution

The fourth proportional to 569,487.24, 785,858.60 and 314,823.24 is: 434,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,487.24 : 785,858.60 = 314,823.24 : x
  2. Step 2: Convert to fraction form
    569,487.24/785,858.60 = 314,823.24/x
  3. Step 3: Cross multiply
    569,487.24x = 785,858.60 × 314,823.24
  4. Step 4: Simplify right side
    569,487.24x = 247,406,550,633.86
  5. Step 5: Solve for x
    x = 247,406,550,633.86/569,487.24
  6. Step 6: Final answer
    x = 434,437.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.