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Finding the Fourth Proportional to 456,966.65, 630,613.46 and 255,762.65

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Solution

The fourth proportional to 456,966.65, 630,613.46 and 255,762.65 is: 352,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,966.65 : 630,613.46 = 255,762.65 : x
  2. Step 2: Convert to fraction form
    456,966.65/630,613.46 = 255,762.65/x
  3. Step 3: Cross multiply
    456,966.65x = 630,613.46 × 255,762.65
  4. Step 4: Simplify right side
    456,966.65x = 161,287,367,141.61
  5. Step 5: Solve for x
    x = 161,287,367,141.61/456,966.65
  6. Step 6: Final answer
    x = 352,952.17

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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.