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Finding the Fourth Proportional to 587,066.86, 880,526.78 and 187,674.50

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Solution

The fourth proportional to 587,066.86, 880,526.78 and 187,674.50 is: 281,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,066.86 : 880,526.78 = 187,674.50 : x
  2. Step 2: Convert to fraction form
    587,066.86/880,526.78 = 187,674.50/x
  3. Step 3: Cross multiply
    587,066.86x = 880,526.78 × 187,674.50
  4. Step 4: Simplify right side
    587,066.86x = 165,252,423,173.11
  5. Step 5: Solve for x
    x = 165,252,423,173.11/587,066.86
  6. Step 6: Final answer
    x = 281,488.25

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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.