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Finding the Fourth Proportional to 503,664.48, 755,315.28 and 166,642.92

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Solution

The fourth proportional to 503,664.48, 755,315.28 and 166,642.92 is: 249,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,664.48 : 755,315.28 = 166,642.92 : x
  2. Step 2: Convert to fraction form
    503,664.48/755,315.28 = 166,642.92/x
  3. Step 3: Cross multiply
    503,664.48x = 755,315.28 × 166,642.92
  4. Step 4: Simplify right side
    503,664.48x = 125,867,943,779.82
  5. Step 5: Solve for x
    x = 125,867,943,779.82/503,664.48
  6. Step 6: Final answer
    x = 249,904.35

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1.5x scale

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.