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Finding the Fourth Proportional to 606,473.01, 908,971.59 and 429,031.17

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Solution

The fourth proportional to 606,473.01, 908,971.59 and 429,031.17 is: 643,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,473.01 : 908,971.59 = 429,031.17 : x
  2. Step 2: Convert to fraction form
    606,473.01/908,971.59 = 429,031.17/x
  3. Step 3: Cross multiply
    606,473.01x = 908,971.59 × 429,031.17
  4. Step 4: Simplify right side
    606,473.01x = 389,977,144,754.46
  5. Step 5: Solve for x
    x = 389,977,144,754.46/606,473.01
  6. Step 6: Final answer
    x = 643,024.73

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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.