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Finding the Fourth Proportional to 532,543.95, 734,829.44 and 317,684.43

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Solution

The fourth proportional to 532,543.95, 734,829.44 and 317,684.43 is: 438,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,543.95 : 734,829.44 = 317,684.43 : x
  2. Step 2: Convert to fraction form
    532,543.95/734,829.44 = 317,684.43/x
  3. Step 3: Cross multiply
    532,543.95x = 734,829.44 × 317,684.43
  4. Step 4: Simplify right side
    532,543.95x = 233,443,870,205.20
  5. Step 5: Solve for x
    x = 233,443,870,205.20/532,543.95
  6. Step 6: Final answer
    x = 438,356.06

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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.