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Finding the Fourth Proportional to 592,005.40, 888,008.10 and 538,091.80

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Solution

The fourth proportional to 592,005.40, 888,008.10 and 538,091.80 is: 807,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,005.40 : 888,008.10 = 538,091.80 : x
  2. Step 2: Convert to fraction form
    592,005.40/888,008.10 = 538,091.80/x
  3. Step 3: Cross multiply
    592,005.40x = 888,008.10 × 538,091.80
  4. Step 4: Simplify right side
    592,005.40x = 477,829,876,943.58
  5. Step 5: Solve for x
    x = 477,829,876,943.58/592,005.40
  6. Step 6: Final answer
    x = 807,137.70

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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.