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Finding the Fourth Proportional to 491,323.32, 736,989.84 and 207,061.92

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Solution

The fourth proportional to 491,323.32, 736,989.84 and 207,061.92 is: 310,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,323.32 : 736,989.84 = 207,061.92 : x
  2. Step 2: Convert to fraction form
    491,323.32/736,989.84 = 207,061.92/x
  3. Step 3: Cross multiply
    491,323.32x = 736,989.84 × 207,061.92
  4. Step 4: Simplify right side
    491,323.32x = 152,602,531,290.89
  5. Step 5: Solve for x
    x = 152,602,531,290.89/491,323.32
  6. Step 6: Final answer
    x = 310,594.93

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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.