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Finding the Fourth Proportional to 507,265.20, 700,007.40 and 292,414.32

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Solution

The fourth proportional to 507,265.20, 700,007.40 and 292,414.32 is: 403,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,265.20 : 700,007.40 = 292,414.32 : x
  2. Step 2: Convert to fraction form
    507,265.20/700,007.40 = 292,414.32/x
  3. Step 3: Cross multiply
    507,265.20x = 700,007.40 × 292,414.32
  4. Step 4: Simplify right side
    507,265.20x = 204,692,187,865.97
  5. Step 5: Solve for x
    x = 204,692,187,865.97/507,265.20
  6. Step 6: Final answer
    x = 403,521.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.