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Finding the Fourth Proportional to 480,590.48, 663,188.10 and 265,717.64

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Solution

The fourth proportional to 480,590.48, 663,188.10 and 265,717.64 is: 366,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,590.48 : 663,188.10 = 265,717.64 : x
  2. Step 2: Convert to fraction form
    480,590.48/663,188.10 = 265,717.64/x
  3. Step 3: Cross multiply
    480,590.48x = 663,188.10 × 265,717.64
  4. Step 4: Simplify right side
    480,590.48x = 176,220,776,808.08
  5. Step 5: Solve for x
    x = 176,220,776,808.08/480,590.48
  6. Step 6: Final answer
    x = 366,675.55

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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.