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Finding the Fourth Proportional to 586,544.34, 880,149.06 and 316,668.90

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Solution

The fourth proportional to 586,544.34, 880,149.06 and 316,668.90 is: 475,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,544.34 : 880,149.06 = 316,668.90 : x
  2. Step 2: Convert to fraction form
    586,544.34/880,149.06 = 316,668.90/x
  3. Step 3: Cross multiply
    586,544.34x = 880,149.06 × 316,668.90
  4. Step 4: Simplify right side
    586,544.34x = 278,715,834,666.23
  5. Step 5: Solve for x
    x = 278,715,834,666.23/586,544.34
  6. Step 6: Final answer
    x = 475,182.89

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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.