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Finding the Fourth Proportional to 622,176.90, 933,265.35 and 307,248.90

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Solution

The fourth proportional to 622,176.90, 933,265.35 and 307,248.90 is: 460,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,176.90 : 933,265.35 = 307,248.90 : x
  2. Step 2: Convert to fraction form
    622,176.90/933,265.35 = 307,248.90/x
  3. Step 3: Cross multiply
    622,176.90x = 933,265.35 × 307,248.90
  4. Step 4: Simplify right side
    622,176.90x = 286,744,752,195.62
  5. Step 5: Solve for x
    x = 286,744,752,195.62/622,176.90
  6. Step 6: Final answer
    x = 460,873.35

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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.