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Finding the Fourth Proportional to 1,009,375.60, 1,514,889.60 and 1,001,502.40

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Solution

The fourth proportional to 1,009,375.60, 1,514,889.60 and 1,001,502.40 is: 1,503,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,375.60 : 1,514,889.60 = 1,001,502.40 : x
  2. Step 2: Convert to fraction form
    1,009,375.60/1,514,889.60 = 1,001,502.40/x
  3. Step 3: Cross multiply
    1,009,375.60x = 1,514,889.60 × 1,001,502.40
  4. Step 4: Simplify right side
    1,009,375.60x = 1,517,165,570,135.04
  5. Step 5: Solve for x
    x = 1,517,165,570,135.04/1,009,375.60
  6. Step 6: Final answer
    x = 1,503,073.36

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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.