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Finding the Fourth Proportional to 721,651.03, 995,894.67 and 467,444.68

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Solution

The fourth proportional to 721,651.03, 995,894.67 and 467,444.68 is: 645,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,651.03 : 995,894.67 = 467,444.68 : x
  2. Step 2: Convert to fraction form
    721,651.03/995,894.67 = 467,444.68/x
  3. Step 3: Cross multiply
    721,651.03x = 995,894.67 × 467,444.68
  4. Step 4: Simplify right side
    721,651.03x = 465,525,665,331.86
  5. Step 5: Solve for x
    x = 465,525,665,331.86/721,651.03
  6. Step 6: Final answer
    x = 645,084.18

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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.