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Finding the Fourth Proportional to 532,661.47, 735,337.95 and 328,824.75

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Solution

The fourth proportional to 532,661.47, 735,337.95 and 328,824.75 is: 453,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,661.47 : 735,337.95 = 328,824.75 : x
  2. Step 2: Convert to fraction form
    532,661.47/735,337.95 = 328,824.75/x
  3. Step 3: Cross multiply
    532,661.47x = 735,337.95 × 328,824.75
  4. Step 4: Simplify right side
    532,661.47x = 241,797,313,897.57
  5. Step 5: Solve for x
    x = 241,797,313,897.57/532,661.47
  6. Step 6: Final answer
    x = 453,941.81

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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.