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Finding the Fourth Proportional to 473,522.13, 713,480.00 and 391,128.27

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Solution

The fourth proportional to 473,522.13, 713,480.00 and 391,128.27 is: 589,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,522.13 : 713,480.00 = 391,128.27 : x
  2. Step 2: Convert to fraction form
    473,522.13/713,480.00 = 391,128.27/x
  3. Step 3: Cross multiply
    473,522.13x = 713,480.00 × 391,128.27
  4. Step 4: Simplify right side
    473,522.13x = 279,062,196,123.96
  5. Step 5: Solve for x
    x = 279,062,196,123.96/473,522.13
  6. Step 6: Final answer
    x = 589,332.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.