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Finding the Fourth Proportional to 398,787.84, 596,776.59 and 249,098.63

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Solution

The fourth proportional to 398,787.84, 596,776.59 and 249,098.63 is: 372,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,787.84 : 596,776.59 = 249,098.63 : x
  2. Step 2: Convert to fraction form
    398,787.84/596,776.59 = 249,098.63/x
  3. Step 3: Cross multiply
    398,787.84x = 596,776.59 × 249,098.63
  4. Step 4: Simplify right side
    398,787.84x = 148,656,228,001.19
  5. Step 5: Solve for x
    x = 148,656,228,001.19/398,787.84
  6. Step 6: Final answer
    x = 372,770.21

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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.