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Finding the Fourth Proportional to 442,981.71, 611,316.62 and 249,392.72

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Solution

The fourth proportional to 442,981.71, 611,316.62 and 249,392.72 is: 344,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,981.71 : 611,316.62 = 249,392.72 : x
  2. Step 2: Convert to fraction form
    442,981.71/611,316.62 = 249,392.72/x
  3. Step 3: Cross multiply
    442,981.71x = 611,316.62 × 249,392.72
  4. Step 4: Simplify right side
    442,981.71x = 152,457,915,859.56
  5. Step 5: Solve for x
    x = 152,457,915,859.56/442,981.71
  6. Step 6: Final answer
    x = 344,163.00

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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.