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Finding the Fourth Proportional to 584,491.52, 876,421.38 and 205,314.32

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Solution

The fourth proportional to 584,491.52, 876,421.38 and 205,314.32 is: 307,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,491.52 : 876,421.38 = 205,314.32 : x
  2. Step 2: Convert to fraction form
    584,491.52/876,421.38 = 205,314.32/x
  3. Step 3: Cross multiply
    584,491.52x = 876,421.38 × 205,314.32
  4. Step 4: Simplify right side
    584,491.52x = 179,941,859,668.16
  5. Step 5: Solve for x
    x = 179,941,859,668.16/584,491.52
  6. Step 6: Final answer
    x = 307,860.51

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Double scale
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Similar ratio
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1.5x scale

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.