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Finding the Fourth Proportional to 456,658.66, 630,182.72 and 252,697.16

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Solution

The fourth proportional to 456,658.66, 630,182.72 and 252,697.16 is: 348,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,658.66 : 630,182.72 = 252,697.16 : x
  2. Step 2: Convert to fraction form
    456,658.66/630,182.72 = 252,697.16/x
  3. Step 3: Cross multiply
    456,658.66x = 630,182.72 × 252,697.16
  4. Step 4: Simplify right side
    456,658.66x = 159,245,381,045.95
  5. Step 5: Solve for x
    x = 159,245,381,045.95/456,658.66
  6. Step 6: Final answer
    x = 348,718.63

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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.