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Finding the Fourth Proportional to 503,746.60, 755,618.62 and 188,228.20

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Solution

The fourth proportional to 503,746.60, 755,618.62 and 188,228.20 is: 282,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,746.60 : 755,618.62 = 188,228.20 : x
  2. Step 2: Convert to fraction form
    503,746.60/755,618.62 = 188,228.20/x
  3. Step 3: Cross multiply
    503,746.60x = 755,618.62 × 188,228.20
  4. Step 4: Simplify right side
    503,746.60x = 142,228,732,729.08
  5. Step 5: Solve for x
    x = 142,228,732,729.08/503,746.60
  6. Step 6: Final answer
    x = 282,341.82

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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.