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Finding the Fourth Proportional to 720,956.01, 995,126.39 and 476,119.54

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Solution

The fourth proportional to 720,956.01, 995,126.39 and 476,119.54 is: 657,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,956.01 : 995,126.39 = 476,119.54 : x
  2. Step 2: Convert to fraction form
    720,956.01/995,126.39 = 476,119.54/x
  3. Step 3: Cross multiply
    720,956.01x = 995,126.39 × 476,119.54
  4. Step 4: Simplify right side
    720,956.01x = 473,799,119,048.66
  5. Step 5: Solve for x
    x = 473,799,119,048.66/720,956.01
  6. Step 6: Final answer
    x = 657,181.73

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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.