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Finding the Fourth Proportional to 473,428.67, 653,330.52 and 258,568.74

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Solution

The fourth proportional to 473,428.67, 653,330.52 and 258,568.74 is: 356,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,428.67 : 653,330.52 = 258,568.74 : x
  2. Step 2: Convert to fraction form
    473,428.67/653,330.52 = 258,568.74/x
  3. Step 3: Cross multiply
    473,428.67x = 653,330.52 × 258,568.74
  4. Step 4: Simplify right side
    473,428.67x = 168,930,849,359.95
  5. Step 5: Solve for x
    x = 168,930,849,359.95/473,428.67
  6. Step 6: Final answer
    x = 356,824.29

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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.