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Finding the Fourth Proportional to 426,503.51, 587,873.12 and 302,365.74

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Solution

The fourth proportional to 426,503.51, 587,873.12 and 302,365.74 is: 416,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,503.51 : 587,873.12 = 302,365.74 : x
  2. Step 2: Convert to fraction form
    426,503.51/587,873.12 = 302,365.74/x
  3. Step 3: Cross multiply
    426,503.51x = 587,873.12 × 302,365.74
  4. Step 4: Simplify right side
    426,503.51x = 177,752,689,443.08
  5. Step 5: Solve for x
    x = 177,752,689,443.08/426,503.51
  6. Step 6: Final answer
    x = 416,767.24

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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.