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Finding the Fourth Proportional to 456,799.91, 630,238.95 and 265,776.39

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Solution

The fourth proportional to 456,799.91, 630,238.95 and 265,776.39 is: 366,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,799.91 : 630,238.95 = 265,776.39 : x
  2. Step 2: Convert to fraction form
    456,799.91/630,238.95 = 265,776.39/x
  3. Step 3: Cross multiply
    456,799.91x = 630,238.95 × 265,776.39
  4. Step 4: Simplify right side
    456,799.91x = 167,502,632,968.39
  5. Step 5: Solve for x
    x = 167,502,632,968.39/456,799.91
  6. Step 6: Final answer
    x = 366,687.10

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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.