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Finding the Fourth Proportional to 461,298, 636,591.24 and 249,330

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Solution

The fourth proportional to 461,298, 636,591.24 and 249,330 is: 344,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,298 : 636,591.24 = 249,330 : x
  2. Step 2: Convert to fraction form
    461,298/636,591.24 = 249,330/x
  3. Step 3: Cross multiply
    461,298x = 636,591.24 × 249,330
  4. Step 4: Simplify right side
    461,298x = 158,721,293,869.20
  5. Step 5: Solve for x
    x = 158,721,293,869.20/461,298
  6. Step 6: Final answer
    x = 344,075.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.