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Finding the Fourth Proportional to 463,766.40, 651,139.20 and 463,766.40

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Solution

The fourth proportional to 463,766.40, 651,139.20 and 463,766.40 is: 651,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,766.40 : 651,139.20 = 463,766.40 : x
  2. Step 2: Convert to fraction form
    463,766.40/651,139.20 = 463,766.40/x
  3. Step 3: Cross multiply
    463,766.40x = 651,139.20 × 463,766.40
  4. Step 4: Simplify right side
    463,766.40x = 301,976,482,682.88
  5. Step 5: Solve for x
    x = 301,976,482,682.88/463,766.40
  6. Step 6: Final answer
    x = 651,139.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.