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Finding the Fourth Proportional to 480,192.18, 662,647.41 and 265,327.80

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Solution

The fourth proportional to 480,192.18, 662,647.41 and 265,327.80 is: 366,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,192.18 : 662,647.41 = 265,327.80 : x
  2. Step 2: Convert to fraction form
    480,192.18/662,647.41 = 265,327.80/x
  3. Step 3: Cross multiply
    480,192.18x = 662,647.41 × 265,327.80
  4. Step 4: Simplify right side
    480,192.18x = 175,818,779,471.00
  5. Step 5: Solve for x
    x = 175,818,779,471.00/480,192.18
  6. Step 6: Final answer
    x = 366,142.53

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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.