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Finding the Fourth Proportional to 481,801.20, 722,701.80 and 463,430.40

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Solution

The fourth proportional to 481,801.20, 722,701.80 and 463,430.40 is: 695,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,801.20 : 722,701.80 = 463,430.40 : x
  2. Step 2: Convert to fraction form
    481,801.20/722,701.80 = 463,430.40/x
  3. Step 3: Cross multiply
    481,801.20x = 722,701.80 × 463,430.40
  4. Step 4: Simplify right side
    481,801.20x = 334,921,984,254.72
  5. Step 5: Solve for x
    x = 334,921,984,254.72/481,801.20
  6. Step 6: Final answer
    x = 695,145.60

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Similar ratio
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1.5x scale

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.