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Finding the Fourth Proportional to 473,812.47, 653,862.38 and 258,955.11

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Solution

The fourth proportional to 473,812.47, 653,862.38 and 258,955.11 is: 357,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,812.47 : 653,862.38 = 258,955.11 : x
  2. Step 2: Convert to fraction form
    473,812.47/653,862.38 = 258,955.11/x
  3. Step 3: Cross multiply
    473,812.47x = 653,862.38 × 258,955.11
  4. Step 4: Simplify right side
    473,812.47x = 169,321,003,242.99
  5. Step 5: Solve for x
    x = 169,321,003,242.99/473,812.47
  6. Step 6: Final answer
    x = 357,358.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.