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Finding the Fourth Proportional to 480,536.32, 663,082.80 and 265,647.52

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Solution

The fourth proportional to 480,536.32, 663,082.80 and 265,647.52 is: 366,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,536.32 : 663,082.80 = 265,647.52 : x
  2. Step 2: Convert to fraction form
    480,536.32/663,082.80 = 265,647.52/x
  3. Step 3: Cross multiply
    480,536.32x = 663,082.80 × 265,647.52
  4. Step 4: Simplify right side
    480,536.32x = 176,146,301,374.66
  5. Step 5: Solve for x
    x = 176,146,301,374.66/480,536.32
  6. Step 6: Final answer
    x = 366,561.89

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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.