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Finding the Fourth Proportional to 503,335.60, 694,602.66 and 276,981.10

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Solution

The fourth proportional to 503,335.60, 694,602.66 and 276,981.10 is: 382,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,335.60 : 694,602.66 = 276,981.10 : x
  2. Step 2: Convert to fraction form
    503,335.60/694,602.66 = 276,981.10/x
  3. Step 3: Cross multiply
    503,335.60x = 694,602.66 × 276,981.10
  4. Step 4: Simplify right side
    503,335.60x = 192,391,808,829.73
  5. Step 5: Solve for x
    x = 192,391,808,829.73/503,335.60
  6. Step 6: Final answer
    x = 382,233.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.