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Finding the Fourth Proportional to 606,634.48, 903,724.68 and 579,340.72

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Solution

The fourth proportional to 606,634.48, 903,724.68 and 579,340.72 is: 863,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,634.48 : 903,724.68 = 579,340.72 : x
  2. Step 2: Convert to fraction form
    606,634.48/903,724.68 = 579,340.72/x
  3. Step 3: Cross multiply
    606,634.48x = 903,724.68 × 579,340.72
  4. Step 4: Simplify right side
    606,634.48x = 523,564,506,792.97
  5. Step 5: Solve for x
    x = 523,564,506,792.97/606,634.48
  6. Step 6: Final answer
    x = 863,064.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.