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Finding the Fourth Proportional to 539,081.44, 808,622.16 and 302,590.24

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Solution

The fourth proportional to 539,081.44, 808,622.16 and 302,590.24 is: 453,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,081.44 : 808,622.16 = 302,590.24 : x
  2. Step 2: Convert to fraction form
    539,081.44/808,622.16 = 302,590.24/x
  3. Step 3: Cross multiply
    539,081.44x = 808,622.16 × 302,590.24
  4. Step 4: Simplify right side
    539,081.44x = 244,681,173,463.72
  5. Step 5: Solve for x
    x = 244,681,173,463.72/539,081.44
  6. Step 6: Final answer
    x = 453,885.36

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Double scale
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Similar ratio
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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.