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Finding the Fourth Proportional to 480,008.60, 662,407.68 and 265,163.66

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Solution

The fourth proportional to 480,008.60, 662,407.68 and 265,163.66 is: 365,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,008.60 : 662,407.68 = 265,163.66 : x
  2. Step 2: Convert to fraction form
    480,008.60/662,407.68 = 265,163.66/x
  3. Step 3: Cross multiply
    480,008.60x = 662,407.68 × 265,163.66
  4. Step 4: Simplify right side
    480,008.60x = 175,646,444,840.91
  5. Step 5: Solve for x
    x = 175,646,444,840.91/480,008.60
  6. Step 6: Final answer
    x = 365,923.54

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1.5x scale

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.