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Finding the Fourth Proportional to 540,026.70, 807,966.45 and 353,402.70

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Solution

The fourth proportional to 540,026.70, 807,966.45 and 353,402.70 is: 528,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,026.70 : 807,966.45 = 353,402.70 : x
  2. Step 2: Convert to fraction form
    540,026.70/807,966.45 = 353,402.70/x
  3. Step 3: Cross multiply
    540,026.70x = 807,966.45 × 353,402.70
  4. Step 4: Simplify right side
    540,026.70x = 285,537,524,939.42
  5. Step 5: Solve for x
    x = 285,537,524,939.42/540,026.70
  6. Step 6: Final answer
    x = 528,747.05

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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.