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Finding the Fourth Proportional to 500,063.78, 750,019.58 and 163,103.95

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Solution

The fourth proportional to 500,063.78, 750,019.58 and 163,103.95 is: 244,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,063.78 : 750,019.58 = 163,103.95 : x
  2. Step 2: Convert to fraction form
    500,063.78/750,019.58 = 163,103.95/x
  3. Step 3: Cross multiply
    500,063.78x = 750,019.58 × 163,103.95
  4. Step 4: Simplify right side
    500,063.78x = 122,331,158,459.69
  5. Step 5: Solve for x
    x = 122,331,158,459.69/500,063.78
  6. Step 6: Final answer
    x = 244,631.11

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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.