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Finding the Fourth Proportional to 627,516.72, 941,275.08 and 253,802.16

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Solution

The fourth proportional to 627,516.72, 941,275.08 and 253,802.16 is: 380,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,516.72 : 941,275.08 = 253,802.16 : x
  2. Step 2: Convert to fraction form
    627,516.72/941,275.08 = 253,802.16/x
  3. Step 3: Cross multiply
    627,516.72x = 941,275.08 × 253,802.16
  4. Step 4: Simplify right side
    627,516.72x = 238,897,648,458.17
  5. Step 5: Solve for x
    x = 238,897,648,458.17/627,516.72
  6. Step 6: Final answer
    x = 380,703.24

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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.