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Finding the Fourth Proportional to 317,801.16, 438,567.48 and 174,557.52

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Solution

The fourth proportional to 317,801.16, 438,567.48 and 174,557.52 is: 240,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,801.16 : 438,567.48 = 174,557.52 : x
  2. Step 2: Convert to fraction form
    317,801.16/438,567.48 = 174,557.52/x
  3. Step 3: Cross multiply
    317,801.16x = 438,567.48 × 174,557.52
  4. Step 4: Simplify right side
    317,801.16x = 76,555,251,661.45
  5. Step 5: Solve for x
    x = 76,555,251,661.45/317,801.16
  6. Step 6: Final answer
    x = 240,890.41

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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.