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Finding the Fourth Proportional to 592,607.20, 888,910.80 and 435,143.20

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Solution

The fourth proportional to 592,607.20, 888,910.80 and 435,143.20 is: 652,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,607.20 : 888,910.80 = 435,143.20 : x
  2. Step 2: Convert to fraction form
    592,607.20/888,910.80 = 435,143.20/x
  3. Step 3: Cross multiply
    592,607.20x = 888,910.80 × 435,143.20
  4. Step 4: Simplify right side
    592,607.20x = 386,803,490,026.56
  5. Step 5: Solve for x
    x = 386,803,490,026.56/592,607.20
  6. Step 6: Final answer
    x = 652,714.80

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Similar ratio
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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.