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Finding the Fourth Proportional to 330,603.68, 456,230.88 and 179,700.68

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Solution

The fourth proportional to 330,603.68, 456,230.88 and 179,700.68 is: 247,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,603.68 : 456,230.88 = 179,700.68 : x
  2. Step 2: Convert to fraction form
    330,603.68/456,230.88 = 179,700.68/x
  3. Step 3: Cross multiply
    330,603.68x = 456,230.88 × 179,700.68
  4. Step 4: Simplify right side
    330,603.68x = 81,984,999,373.00
  5. Step 5: Solve for x
    x = 81,984,999,373.00/330,603.68
  6. Step 6: Final answer
    x = 247,985.74

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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.