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Finding the Fourth Proportional to 480,789.50, 663,444.90 and 265,924.94

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Solution

The fourth proportional to 480,789.50, 663,444.90 and 265,924.94 is: 366,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,789.50 : 663,444.90 = 265,924.94 : x
  2. Step 2: Convert to fraction form
    480,789.50/663,444.90 = 265,924.94/x
  3. Step 3: Cross multiply
    480,789.50x = 663,444.90 × 265,924.94
  4. Step 4: Simplify right side
    480,789.50x = 176,426,545,225.81
  5. Step 5: Solve for x
    x = 176,426,545,225.81/480,789.50
  6. Step 6: Final answer
    x = 366,951.74

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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.