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Finding the Fourth Proportional to 473,734.53, 653,762.21 and 258,883.65

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Solution

The fourth proportional to 473,734.53, 653,762.21 and 258,883.65 is: 357,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,734.53 : 653,762.21 = 258,883.65 : x
  2. Step 2: Convert to fraction form
    473,734.53/653,762.21 = 258,883.65/x
  3. Step 3: Cross multiply
    473,734.53x = 653,762.21 × 258,883.65
  4. Step 4: Simplify right side
    473,734.53x = 169,248,345,862.45
  5. Step 5: Solve for x
    x = 169,248,345,862.45/473,734.53
  6. Step 6: Final answer
    x = 357,264.11

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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.