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Finding the Fourth Proportional to 473,641.39, 653,617.39 and 258,776.83

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Solution

The fourth proportional to 473,641.39, 653,617.39 and 258,776.83 is: 357,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,641.39 : 653,617.39 = 258,776.83 : x
  2. Step 2: Convert to fraction form
    473,641.39/653,617.39 = 258,776.83/x
  3. Step 3: Cross multiply
    473,641.39x = 653,617.39 × 258,776.83
  4. Step 4: Simplify right side
    473,641.39x = 169,141,031,655.10
  5. Step 5: Solve for x
    x = 169,141,031,655.10/473,641.39
  6. Step 6: Final answer
    x = 357,107.80

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1.5x scale

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.