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Finding the Fourth Proportional to 468,116.70, 702,175.05 and 389,384.70

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Solution

The fourth proportional to 468,116.70, 702,175.05 and 389,384.70 is: 584,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,116.70 : 702,175.05 = 389,384.70 : x
  2. Step 2: Convert to fraction form
    468,116.70/702,175.05 = 389,384.70/x
  3. Step 3: Cross multiply
    468,116.70x = 702,175.05 × 389,384.70
  4. Step 4: Simplify right side
    468,116.70x = 273,416,221,191.74
  5. Step 5: Solve for x
    x = 273,416,221,191.74/468,116.70
  6. Step 6: Final answer
    x = 584,077.05

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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.