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Finding the Fourth Proportional to 538,001.60, 807,117.60 and 164,062.40

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Solution

The fourth proportional to 538,001.60, 807,117.60 and 164,062.40 is: 246,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,001.60 : 807,117.60 = 164,062.40 : x
  2. Step 2: Convert to fraction form
    538,001.60/807,117.60 = 164,062.40/x
  3. Step 3: Cross multiply
    538,001.60x = 807,117.60 × 164,062.40
  4. Step 4: Simplify right side
    538,001.60x = 132,417,650,538.24
  5. Step 5: Solve for x
    x = 132,417,650,538.24/538,001.60
  6. Step 6: Final answer
    x = 246,128.73

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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.