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Finding the Fourth Proportional to 338,973.01, 467,781.48 and 186,013.77

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Solution

The fourth proportional to 338,973.01, 467,781.48 and 186,013.77 is: 256,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,973.01 : 467,781.48 = 186,013.77 : x
  2. Step 2: Convert to fraction form
    338,973.01/467,781.48 = 186,013.77/x
  3. Step 3: Cross multiply
    338,973.01x = 467,781.48 × 186,013.77
  4. Step 4: Simplify right side
    338,973.01x = 87,013,798,823.71
  5. Step 5: Solve for x
    x = 87,013,798,823.71/338,973.01
  6. Step 6: Final answer
    x = 256,698.31

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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.