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Finding the Fourth Proportional to 238,476.94, 357,448.96 and 103,385.05

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Solution

The fourth proportional to 238,476.94, 357,448.96 and 103,385.05 is: 154,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,476.94 : 357,448.96 = 103,385.05 : x
  2. Step 2: Convert to fraction form
    238,476.94/357,448.96 = 103,385.05/x
  3. Step 3: Cross multiply
    238,476.94x = 357,448.96 × 103,385.05
  4. Step 4: Simplify right side
    238,476.94x = 36,954,878,602.05
  5. Step 5: Solve for x
    x = 36,954,878,602.05/238,476.94
  6. Step 6: Final answer
    x = 154,962.06

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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.