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Finding the Fourth Proportional to 532,410.92, 734,461.92 and 317,399.48

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Solution

The fourth proportional to 532,410.92, 734,461.92 and 317,399.48 is: 437,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,410.92 : 734,461.92 = 317,399.48 : x
  2. Step 2: Convert to fraction form
    532,410.92/734,461.92 = 317,399.48/x
  3. Step 3: Cross multiply
    532,410.92x = 734,461.92 × 317,399.48
  4. Step 4: Simplify right side
    532,410.92x = 233,117,831,487.80
  5. Step 5: Solve for x
    x = 233,117,831,487.80/532,410.92
  6. Step 6: Final answer
    x = 437,853.21

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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.