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Finding the Fourth Proportional to 473,379.92, 653,269.50 and 258,526.32

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Solution

The fourth proportional to 473,379.92, 653,269.50 and 258,526.32 is: 356,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,379.92 : 653,269.50 = 258,526.32 : x
  2. Step 2: Convert to fraction form
    473,379.92/653,269.50 = 258,526.32/x
  3. Step 3: Cross multiply
    473,379.92x = 653,269.50 × 258,526.32
  4. Step 4: Simplify right side
    473,379.92x = 168,887,359,803.24
  5. Step 5: Solve for x
    x = 168,887,359,803.24/473,379.92
  6. Step 6: Final answer
    x = 356,769.17

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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.