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Finding the Fourth Proportional to 606,425.80, 909,638.70 and 576,901.30

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Solution

The fourth proportional to 606,425.80, 909,638.70 and 576,901.30 is: 865,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,425.80 : 909,638.70 = 576,901.30 : x
  2. Step 2: Convert to fraction form
    606,425.80/909,638.70 = 576,901.30/x
  3. Step 3: Cross multiply
    606,425.80x = 909,638.70 × 576,901.30
  4. Step 4: Simplify right side
    606,425.80x = 524,771,748,560.31
  5. Step 5: Solve for x
    x = 524,771,748,560.31/606,425.80
  6. Step 6: Final answer
    x = 865,351.95

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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.