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Finding the Fourth Proportional to 982,671.80, 1,475,562.90 and 746,281.40

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Solution

The fourth proportional to 982,671.80, 1,475,562.90 and 746,281.40 is: 1,120,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,671.80 : 1,475,562.90 = 746,281.40 : x
  2. Step 2: Convert to fraction form
    982,671.80/1,475,562.90 = 746,281.40/x
  3. Step 3: Cross multiply
    982,671.80x = 1,475,562.90 × 746,281.40
  4. Step 4: Simplify right side
    982,671.80x = 1,101,185,146,800.06
  5. Step 5: Solve for x
    x = 1,101,185,146,800.06/982,671.80
  6. Step 6: Final answer
    x = 1,120,603.18

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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.