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Finding the Fourth Proportional to 504,781.16, 696,501.06 and 303,590.12

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Solution

The fourth proportional to 504,781.16, 696,501.06 and 303,590.12 is: 418,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,781.16 : 696,501.06 = 303,590.12 : x
  2. Step 2: Convert to fraction form
    504,781.16/696,501.06 = 303,590.12/x
  3. Step 3: Cross multiply
    504,781.16x = 696,501.06 × 303,590.12
  4. Step 4: Simplify right side
    504,781.16x = 211,450,840,385.53
  5. Step 5: Solve for x
    x = 211,450,840,385.53/504,781.16
  6. Step 6: Final answer
    x = 418,896.06

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Similar ratio
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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.