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Finding the Fourth Proportional to 532,105.68, 734,400.48 and 317,259.36

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Solution

The fourth proportional to 532,105.68, 734,400.48 and 317,259.36 is: 437,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,105.68 : 734,400.48 = 317,259.36 : x
  2. Step 2: Convert to fraction form
    532,105.68/734,400.48 = 317,259.36/x
  3. Step 3: Cross multiply
    532,105.68x = 734,400.48 × 317,259.36
  4. Step 4: Simplify right side
    532,105.68x = 232,995,426,268.49
  5. Step 5: Solve for x
    x = 232,995,426,268.49/532,105.68
  6. Step 6: Final answer
    x = 437,874.35

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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.