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Finding the Fourth Proportional to 329,773.48, 455,075.08 and 178,867.24

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Solution

The fourth proportional to 329,773.48, 455,075.08 and 178,867.24 is: 246,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,773.48 : 455,075.08 = 178,867.24 : x
  2. Step 2: Convert to fraction form
    329,773.48/455,075.08 = 178,867.24/x
  3. Step 3: Cross multiply
    329,773.48x = 455,075.08 × 178,867.24
  4. Step 4: Simplify right side
    329,773.48x = 81,398,023,552.38
  5. Step 5: Solve for x
    x = 81,398,023,552.38/329,773.48
  6. Step 6: Final answer
    x = 246,830.11

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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.