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Finding the Fourth Proportional to 625,543.03, 938,170.63 and 372,894.85

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Solution

The fourth proportional to 625,543.03, 938,170.63 and 372,894.85 is: 559,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,543.03 : 938,170.63 = 372,894.85 : x
  2. Step 2: Convert to fraction form
    625,543.03/938,170.63 = 372,894.85/x
  3. Step 3: Cross multiply
    625,543.03x = 938,170.63 × 372,894.85
  4. Step 4: Simplify right side
    625,543.03x = 349,838,996,348.26
  5. Step 5: Solve for x
    x = 349,838,996,348.26/625,543.03
  6. Step 6: Final answer
    x = 559,256.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.