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Finding the Fourth Proportional to 532,528.59, 734,984.37 and 314,728.29

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Solution

The fourth proportional to 532,528.59, 734,984.37 and 314,728.29 is: 434,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,528.59 : 734,984.37 = 314,728.29 : x
  2. Step 2: Convert to fraction form
    532,528.59/734,984.37 = 314,728.29/x
  3. Step 3: Cross multiply
    532,528.59x = 734,984.37 × 314,728.29
  4. Step 4: Simplify right side
    532,528.59x = 231,320,373,946.83
  5. Step 5: Solve for x
    x = 231,320,373,946.83/532,528.59
  6. Step 6: Final answer
    x = 434,381.14

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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.