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Finding the Fourth Proportional to 753,607.80, 1,130,411.70 and 700,463.70

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Solution

The fourth proportional to 753,607.80, 1,130,411.70 and 700,463.70 is: 1,050,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,607.80 : 1,130,411.70 = 700,463.70 : x
  2. Step 2: Convert to fraction form
    753,607.80/1,130,411.70 = 700,463.70/x
  3. Step 3: Cross multiply
    753,607.80x = 1,130,411.70 × 700,463.70
  4. Step 4: Simplify right side
    753,607.80x = 791,812,361,905.29
  5. Step 5: Solve for x
    x = 791,812,361,905.29/753,607.80
  6. Step 6: Final answer
    x = 1,050,695.55

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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.