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Finding the Fourth Proportional to 543,347.91, 749,805.39 and 301,624.29

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Solution

The fourth proportional to 543,347.91, 749,805.39 and 301,624.29 is: 416,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,347.91 : 749,805.39 = 301,624.29 : x
  2. Step 2: Convert to fraction form
    543,347.91/749,805.39 = 301,624.29/x
  3. Step 3: Cross multiply
    543,347.91x = 749,805.39 × 301,624.29
  4. Step 4: Simplify right side
    543,347.91x = 226,159,518,396.92
  5. Step 5: Solve for x
    x = 226,159,518,396.92/543,347.91
  6. Step 6: Final answer
    x = 416,233.35

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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.