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Finding the Fourth Proportional to 503,248.23, 694,501.66 and 288,429.75

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Solution

The fourth proportional to 503,248.23, 694,501.66 and 288,429.75 is: 398,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,248.23 : 694,501.66 = 288,429.75 : x
  2. Step 2: Convert to fraction form
    503,248.23/694,501.66 = 288,429.75/x
  3. Step 3: Cross multiply
    503,248.23x = 694,501.66 × 288,429.75
  4. Step 4: Simplify right side
    503,248.23x = 200,314,940,168.39
  5. Step 5: Solve for x
    x = 200,314,940,168.39/503,248.23
  6. Step 6: Final answer
    x = 398,044.00

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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.