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Finding the Fourth Proportional to 238,417, 328,869.54 and 141,555.14

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Solution

The fourth proportional to 238,417, 328,869.54 and 141,555.14 is: 195,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,417 : 328,869.54 = 141,555.14 : x
  2. Step 2: Convert to fraction form
    238,417/328,869.54 = 141,555.14/x
  3. Step 3: Cross multiply
    238,417x = 328,869.54 × 141,555.14
  4. Step 4: Simplify right side
    238,417x = 46,553,173,776.44
  5. Step 5: Solve for x
    x = 46,553,173,776.44/238,417
  6. Step 6: Final answer
    x = 195,259.46

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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.