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Finding the Fourth Proportional to 523,100.56, 719,613.58 and 458,277.88

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Solution

The fourth proportional to 523,100.56, 719,613.58 and 458,277.88 is: 630,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,100.56 : 719,613.58 = 458,277.88 : x
  2. Step 2: Convert to fraction form
    523,100.56/719,613.58 = 458,277.88/x
  3. Step 3: Cross multiply
    523,100.56x = 719,613.58 × 458,277.88
  4. Step 4: Simplify right side
    523,100.56x = 329,782,985,861.61
  5. Step 5: Solve for x
    x = 329,782,985,861.61/523,100.56
  6. Step 6: Final answer
    x = 630,438.98

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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.