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Finding the Fourth Proportional to 477,559.83, 716,339.74 and 327,344.72

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Solution

The fourth proportional to 477,559.83, 716,339.74 and 327,344.72 is: 491,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,559.83 : 716,339.74 = 327,344.72 : x
  2. Step 2: Convert to fraction form
    477,559.83/716,339.74 = 327,344.72/x
  3. Step 3: Cross multiply
    477,559.83x = 716,339.74 × 327,344.72
  4. Step 4: Simplify right side
    477,559.83x = 234,490,031,615.17
  5. Step 5: Solve for x
    x = 234,490,031,615.17/477,559.83
  6. Step 6: Final answer
    x = 491,017.08

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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.