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Finding the Fourth Proportional to 480,359.16, 662,871.80 and 265,493.70

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Solution

The fourth proportional to 480,359.16, 662,871.80 and 265,493.70 is: 366,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,359.16 : 662,871.80 = 265,493.70 : x
  2. Step 2: Convert to fraction form
    480,359.16/662,871.80 = 265,493.70/x
  3. Step 3: Cross multiply
    480,359.16x = 662,871.80 × 265,493.70
  4. Step 4: Simplify right side
    480,359.16x = 175,988,287,471.39
  5. Step 5: Solve for x
    x = 175,988,287,471.39/480,359.16
  6. Step 6: Final answer
    x = 366,368.13

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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.