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Finding the Fourth Proportional to 507,479.39, 761,218.78 and 473,849.17

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Solution

The fourth proportional to 507,479.39, 761,218.78 and 473,849.17 is: 710,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,479.39 : 761,218.78 = 473,849.17 : x
  2. Step 2: Convert to fraction form
    507,479.39/761,218.78 = 473,849.17/x
  3. Step 3: Cross multiply
    507,479.39x = 761,218.78 × 473,849.17
  4. Step 4: Simplify right side
    507,479.39x = 360,702,887,091.41
  5. Step 5: Solve for x
    x = 360,702,887,091.41/507,479.39
  6. Step 6: Final answer
    x = 710,773.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.