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Finding the Fourth Proportional to 298,849.36, 448,339.62 and 88,503.64

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Solution

The fourth proportional to 298,849.36, 448,339.62 and 88,503.64 is: 132,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,849.36 : 448,339.62 = 88,503.64 : x
  2. Step 2: Convert to fraction form
    298,849.36/448,339.62 = 88,503.64/x
  3. Step 3: Cross multiply
    298,849.36x = 448,339.62 × 88,503.64
  4. Step 4: Simplify right side
    298,849.36x = 39,679,688,326.22
  5. Step 5: Solve for x
    x = 39,679,688,326.22/298,849.36
  6. Step 6: Final answer
    x = 132,774.88

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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.