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Finding the Fourth Proportional to 653,169.06, 901,365.39 and 366,681.78

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Solution

The fourth proportional to 653,169.06, 901,365.39 and 366,681.78 is: 506,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,169.06 : 901,365.39 = 366,681.78 : x
  2. Step 2: Convert to fraction form
    653,169.06/901,365.39 = 366,681.78/x
  3. Step 3: Cross multiply
    653,169.06x = 901,365.39 × 366,681.78
  4. Step 4: Simplify right side
    653,169.06x = 330,514,265,635.59
  5. Step 5: Solve for x
    x = 330,514,265,635.59/653,169.06
  6. Step 6: Final answer
    x = 506,016.41

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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.