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Finding the Fourth Proportional to 703,452.21, 971,098.80 and 471,278.93

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Solution

The fourth proportional to 703,452.21, 971,098.80 and 471,278.93 is: 650,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,452.21 : 971,098.80 = 471,278.93 : x
  2. Step 2: Convert to fraction form
    703,452.21/971,098.80 = 471,278.93/x
  3. Step 3: Cross multiply
    703,452.21x = 971,098.80 × 471,278.93
  4. Step 4: Simplify right side
    703,452.21x = 457,658,398,532.79
  5. Step 5: Solve for x
    x = 457,658,398,532.79/703,452.21
  6. Step 6: Final answer
    x = 650,589.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.