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Finding the Fourth Proportional to 473,115.20, 652,875.36 and 258,264.32

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Solution

The fourth proportional to 473,115.20, 652,875.36 and 258,264.32 is: 356,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,115.20 : 652,875.36 = 258,264.32 : x
  2. Step 2: Convert to fraction form
    473,115.20/652,875.36 = 258,264.32/x
  3. Step 3: Cross multiply
    473,115.20x = 652,875.36 × 258,264.32
  4. Step 4: Simplify right side
    473,115.20x = 168,614,410,895.16
  5. Step 5: Solve for x
    x = 168,614,410,895.16/473,115.20
  6. Step 6: Final answer
    x = 356,391.87

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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.