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Finding the Fourth Proportional to 584,964.12, 877,446.45 and 210,987.12

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Solution

The fourth proportional to 584,964.12, 877,446.45 and 210,987.12 is: 316,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,964.12 : 877,446.45 = 210,987.12 : x
  2. Step 2: Convert to fraction form
    584,964.12/877,446.45 = 210,987.12/x
  3. Step 3: Cross multiply
    584,964.12x = 877,446.45 × 210,987.12
  4. Step 4: Simplify right side
    584,964.12x = 185,129,899,439.72
  5. Step 5: Solve for x
    x = 185,129,899,439.72/584,964.12
  6. Step 6: Final answer
    x = 316,480.78

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Double scale
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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.