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Finding the Fourth Proportional to 1,652,934.71, 2,478,270.15 and 841,748.90

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Solution

The fourth proportional to 1,652,934.71, 2,478,270.15 and 841,748.90 is: 1,262,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,934.71 : 2,478,270.15 = 841,748.90 : x
  2. Step 2: Convert to fraction form
    1,652,934.71/2,478,270.15 = 841,748.90/x
  3. Step 3: Cross multiply
    1,652,934.71x = 2,478,270.15 × 841,748.90
  4. Step 4: Simplify right side
    1,652,934.71x = 2,086,081,180,965.38
  5. Step 5: Solve for x
    x = 2,086,081,180,965.38/1,652,934.71
  6. Step 6: Final answer
    x = 1,262,046.93

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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.