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Finding the Fourth Proportional to 480,562.14, 663,148.98 and 265,689.66

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Solution

The fourth proportional to 480,562.14, 663,148.98 and 265,689.66 is: 366,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,562.14 : 663,148.98 = 265,689.66 : x
  2. Step 2: Convert to fraction form
    480,562.14/663,148.98 = 265,689.66/x
  3. Step 3: Cross multiply
    480,562.14x = 663,148.98 × 265,689.66
  4. Step 4: Simplify right side
    480,562.14x = 176,191,827,025.55
  5. Step 5: Solve for x
    x = 176,191,827,025.55/480,562.14
  6. Step 6: Final answer
    x = 366,636.93

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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.