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Finding the Fourth Proportional to 302,258.16, 453,412.56 and 91,897.92

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Solution

The fourth proportional to 302,258.16, 453,412.56 and 91,897.92 is: 137,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,258.16 : 453,412.56 = 91,897.92 : x
  2. Step 2: Convert to fraction form
    302,258.16/453,412.56 = 91,897.92/x
  3. Step 3: Cross multiply
    302,258.16x = 453,412.56 × 91,897.92
  4. Step 4: Simplify right side
    302,258.16x = 41,667,671,165.88
  5. Step 5: Solve for x
    x = 41,667,671,165.88/302,258.16
  6. Step 6: Final answer
    x = 137,854.58

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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.