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Finding the Fourth Proportional to 375,640.04, 563,460.06 and 227,585

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Solution

The fourth proportional to 375,640.04, 563,460.06 and 227,585 is: 341,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,640.04 : 563,460.06 = 227,585 : x
  2. Step 2: Convert to fraction form
    375,640.04/563,460.06 = 227,585/x
  3. Step 3: Cross multiply
    375,640.04x = 563,460.06 × 227,585
  4. Step 4: Simplify right side
    375,640.04x = 128,235,057,755.10
  5. Step 5: Solve for x
    x = 128,235,057,755.10/375,640.04
  6. Step 6: Final answer
    x = 341,377.50

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Similar ratio
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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.