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Finding the Fourth Proportional to 270,079.20, 404,341.20 and 242,085.60

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Solution

The fourth proportional to 270,079.20, 404,341.20 and 242,085.60 is: 362,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,079.20 : 404,341.20 = 242,085.60 : x
  2. Step 2: Convert to fraction form
    270,079.20/404,341.20 = 242,085.60/x
  3. Step 3: Cross multiply
    270,079.20x = 404,341.20 × 242,085.60
  4. Step 4: Simplify right side
    270,079.20x = 97,885,182,006.72
  5. Step 5: Solve for x
    x = 97,885,182,006.72/270,079.20
  6. Step 6: Final answer
    x = 362,431.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.