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Finding the Fourth Proportional to 587,678.20, 881,808.90 and 232,703.80

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Solution

The fourth proportional to 587,678.20, 881,808.90 and 232,703.80 is: 349,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,678.20 : 881,808.90 = 232,703.80 : x
  2. Step 2: Convert to fraction form
    587,678.20/881,808.90 = 232,703.80/x
  3. Step 3: Cross multiply
    587,678.20x = 881,808.90 × 232,703.80
  4. Step 4: Simplify right side
    587,678.20x = 205,200,281,903.82
  5. Step 5: Solve for x
    x = 205,200,281,903.82/587,678.20
  6. Step 6: Final answer
    x = 349,171.17

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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.