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Finding the Fourth Proportional to 466,347.60, 699,175.80 and 316,213.20

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Solution

The fourth proportional to 466,347.60, 699,175.80 and 316,213.20 is: 474,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,347.60 : 699,175.80 = 316,213.20 : x
  2. Step 2: Convert to fraction form
    466,347.60/699,175.80 = 316,213.20/x
  3. Step 3: Cross multiply
    466,347.60x = 699,175.80 × 316,213.20
  4. Step 4: Simplify right side
    466,347.60x = 221,088,617,080.56
  5. Step 5: Solve for x
    x = 221,088,617,080.56/466,347.60
  6. Step 6: Final answer
    x = 474,085.46

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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.