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Finding the Fourth Proportional to 529,587.26, 730,936.53 and 314,685.75

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Solution

The fourth proportional to 529,587.26, 730,936.53 and 314,685.75 is: 434,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,587.26 : 730,936.53 = 314,685.75 : x
  2. Step 2: Convert to fraction form
    529,587.26/730,936.53 = 314,685.75/x
  3. Step 3: Cross multiply
    529,587.26x = 730,936.53 × 314,685.75
  4. Step 4: Simplify right side
    529,587.26x = 230,015,308,572.02
  5. Step 5: Solve for x
    x = 230,015,308,572.02/529,587.26
  6. Step 6: Final answer
    x = 434,329.39

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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.