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Finding the Fourth Proportional to 579,208.48, 868,696.08 and 158,526.88

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Solution

The fourth proportional to 579,208.48, 868,696.08 and 158,526.88 is: 237,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,208.48 : 868,696.08 = 158,526.88 : x
  2. Step 2: Convert to fraction form
    579,208.48/868,696.08 = 158,526.88/x
  3. Step 3: Cross multiply
    579,208.48x = 868,696.08 × 158,526.88
  4. Step 4: Simplify right side
    579,208.48x = 137,711,679,230.63
  5. Step 5: Solve for x
    x = 137,711,679,230.63/579,208.48
  6. Step 6: Final answer
    x = 237,758.40

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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.