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Finding the Fourth Proportional to 894,007.60, 1,341,011.40 and 885,713.20

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Solution

The fourth proportional to 894,007.60, 1,341,011.40 and 885,713.20 is: 1,328,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,007.60 : 1,341,011.40 = 885,713.20 : x
  2. Step 2: Convert to fraction form
    894,007.60/1,341,011.40 = 885,713.20/x
  3. Step 3: Cross multiply
    894,007.60x = 1,341,011.40 × 885,713.20
  4. Step 4: Simplify right side
    894,007.60x = 1,187,751,498,330.48
  5. Step 5: Solve for x
    x = 1,187,751,498,330.48/894,007.60
  6. Step 6: Final answer
    x = 1,328,569.80

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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.