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Finding the Fourth Proportional to 290,798.36, 436,018.90 and 113,098.24

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Solution

The fourth proportional to 290,798.36, 436,018.90 and 113,098.24 is: 169,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,798.36 : 436,018.90 = 113,098.24 : x
  2. Step 2: Convert to fraction form
    290,798.36/436,018.90 = 113,098.24/x
  3. Step 3: Cross multiply
    290,798.36x = 436,018.90 × 113,098.24
  4. Step 4: Simplify right side
    290,798.36x = 49,312,970,196.74
  5. Step 5: Solve for x
    x = 49,312,970,196.74/290,798.36
  6. Step 6: Final answer
    x = 169,577.88

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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.