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Finding the Fourth Proportional to 238,699.84, 358,020.58 and 98,440.24

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Solution

The fourth proportional to 238,699.84, 358,020.58 and 98,440.24 is: 147,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,699.84 : 358,020.58 = 98,440.24 : x
  2. Step 2: Convert to fraction form
    238,699.84/358,020.58 = 98,440.24/x
  3. Step 3: Cross multiply
    238,699.84x = 358,020.58 × 98,440.24
  4. Step 4: Simplify right side
    238,699.84x = 35,243,631,820.14
  5. Step 5: Solve for x
    x = 35,243,631,820.14/238,699.84
  6. Step 6: Final answer
    x = 147,648.33

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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.