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Finding the Fourth Proportional to 501,656.40, 752,484.60 and 302,590.80

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Solution

The fourth proportional to 501,656.40, 752,484.60 and 302,590.80 is: 453,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,656.40 : 752,484.60 = 302,590.80 : x
  2. Step 2: Convert to fraction form
    501,656.40/752,484.60 = 302,590.80/x
  3. Step 3: Cross multiply
    501,656.40x = 752,484.60 × 302,590.80
  4. Step 4: Simplify right side
    501,656.40x = 227,694,917,101.68
  5. Step 5: Solve for x
    x = 227,694,917,101.68/501,656.40
  6. Step 6: Final answer
    x = 453,886.20

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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.