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Finding the Fourth Proportional to 501,607.76, 692,217.24 and 272,164.08

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Solution

The fourth proportional to 501,607.76, 692,217.24 and 272,164.08 is: 375,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,607.76 : 692,217.24 = 272,164.08 : x
  2. Step 2: Convert to fraction form
    501,607.76/692,217.24 = 272,164.08/x
  3. Step 3: Cross multiply
    501,607.76x = 692,217.24 × 272,164.08
  4. Step 4: Simplify right side
    501,607.76x = 188,396,668,284.74
  5. Step 5: Solve for x
    x = 188,396,668,284.74/501,607.76
  6. Step 6: Final answer
    x = 375,585.63

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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.