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Finding the Fourth Proportional to 1,754,966.60, 2,631,672.30 and 808,627.40

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Solution

The fourth proportional to 1,754,966.60, 2,631,672.30 and 808,627.40 is: 1,212,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,966.60 : 2,631,672.30 = 808,627.40 : x
  2. Step 2: Convert to fraction form
    1,754,966.60/2,631,672.30 = 808,627.40/x
  3. Step 3: Cross multiply
    1,754,966.60x = 2,631,672.30 × 808,627.40
  4. Step 4: Simplify right side
    1,754,966.60x = 2,128,042,329,601.02
  5. Step 5: Solve for x
    x = 2,128,042,329,601.02/1,754,966.60
  6. Step 6: Final answer
    x = 1,212,582.81

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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.