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Finding the Fourth Proportional to 369,448.78, 554,173.44 and 88,966.30

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Solution

The fourth proportional to 369,448.78, 554,173.44 and 88,966.30 is: 133,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,448.78 : 554,173.44 = 88,966.30 : x
  2. Step 2: Convert to fraction form
    369,448.78/554,173.44 = 88,966.30/x
  3. Step 3: Cross multiply
    369,448.78x = 554,173.44 × 88,966.30
  4. Step 4: Simplify right side
    369,448.78x = 49,302,760,515.07
  5. Step 5: Solve for x
    x = 49,302,760,515.07/369,448.78
  6. Step 6: Final answer
    x = 133,449.52

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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.