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Finding the Fourth Proportional to 456,767.55, 630,323.14 and 252,818.87

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Solution

The fourth proportional to 456,767.55, 630,323.14 and 252,818.87 is: 348,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,767.55 : 630,323.14 = 252,818.87 : x
  2. Step 2: Convert to fraction form
    456,767.55/630,323.14 = 252,818.87/x
  3. Step 3: Cross multiply
    456,767.55x = 630,323.14 × 252,818.87
  4. Step 4: Simplify right side
    456,767.55x = 159,357,580,205.99
  5. Step 5: Solve for x
    x = 159,357,580,205.99/456,767.55
  6. Step 6: Final answer
    x = 348,881.13

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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.