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Finding the Fourth Proportional to 553,852.10, 830,778.08 and 133,127.97

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Solution

The fourth proportional to 553,852.10, 830,778.08 and 133,127.97 is: 199,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,852.10 : 830,778.08 = 133,127.97 : x
  2. Step 2: Convert to fraction form
    553,852.10/830,778.08 = 133,127.97/x
  3. Step 3: Cross multiply
    553,852.10x = 830,778.08 × 133,127.97
  4. Step 4: Simplify right side
    553,852.10x = 110,599,798,645.26
  5. Step 5: Solve for x
    x = 110,599,798,645.26/553,852.10
  6. Step 6: Final answer
    x = 199,691.94

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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.