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Finding the Fourth Proportional to 710,525.10, 1,065,787.65 and 633,110.70

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Solution

The fourth proportional to 710,525.10, 1,065,787.65 and 633,110.70 is: 949,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,525.10 : 1,065,787.65 = 633,110.70 : x
  2. Step 2: Convert to fraction form
    710,525.10/1,065,787.65 = 633,110.70/x
  3. Step 3: Cross multiply
    710,525.10x = 1,065,787.65 × 633,110.70
  4. Step 4: Simplify right side
    710,525.10x = 674,761,565,142.86
  5. Step 5: Solve for x
    x = 674,761,565,142.86/710,525.10
  6. Step 6: Final answer
    x = 949,666.05

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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.