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Finding the Fourth Proportional to 578,038.67, 866,462.04 and 241,275.30

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Solution

The fourth proportional to 578,038.67, 866,462.04 and 241,275.30 is: 361,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,038.67 : 866,462.04 = 241,275.30 : x
  2. Step 2: Convert to fraction form
    578,038.67/866,462.04 = 241,275.30/x
  3. Step 3: Cross multiply
    578,038.67x = 866,462.04 × 241,275.30
  4. Step 4: Simplify right side
    578,038.67x = 209,055,888,639.61
  5. Step 5: Solve for x
    x = 209,055,888,639.61/578,038.67
  6. Step 6: Final answer
    x = 361,664.20

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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.