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Finding the Fourth Proportional to 324,877.84, 487,741.20 and 260,870.16

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Solution

The fourth proportional to 324,877.84, 487,741.20 and 260,870.16 is: 391,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,877.84 : 487,741.20 = 260,870.16 : x
  2. Step 2: Convert to fraction form
    324,877.84/487,741.20 = 260,870.16/x
  3. Step 3: Cross multiply
    324,877.84x = 487,741.20 × 260,870.16
  4. Step 4: Simplify right side
    324,877.84x = 127,237,124,882.59
  5. Step 5: Solve for x
    x = 127,237,124,882.59/324,877.84
  6. Step 6: Final answer
    x = 391,646.06

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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.