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Finding the Fourth Proportional to 480,734.68, 663,363.12 and 265,840.60

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Solution

The fourth proportional to 480,734.68, 663,363.12 and 265,840.60 is: 366,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,734.68 : 663,363.12 = 265,840.60 : x
  2. Step 2: Convert to fraction form
    480,734.68/663,363.12 = 265,840.60/x
  3. Step 3: Cross multiply
    480,734.68x = 663,363.12 × 265,840.60
  4. Step 4: Simplify right side
    480,734.68x = 176,348,849,838.67
  5. Step 5: Solve for x
    x = 176,348,849,838.67/480,734.68
  6. Step 6: Final answer
    x = 366,831.97

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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.