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Finding the Fourth Proportional to 501,605.76, 692,214.48 and 272,162.08

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Solution

The fourth proportional to 501,605.76, 692,214.48 and 272,162.08 is: 375,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,605.76 : 692,214.48 = 272,162.08 : x
  2. Step 2: Convert to fraction form
    501,605.76/692,214.48 = 272,162.08/x
  3. Step 3: Cross multiply
    501,605.76x = 692,214.48 × 272,162.08
  4. Step 4: Simplify right side
    501,605.76x = 188,394,532,682.92
  5. Step 5: Solve for x
    x = 188,394,532,682.92/501,605.76
  6. Step 6: Final answer
    x = 375,582.87

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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.