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Finding the Fourth Proportional to 238,341.69, 328,851.90 and 174,568.77

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Solution

The fourth proportional to 238,341.69, 328,851.90 and 174,568.77 is: 240,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,341.69 : 328,851.90 = 174,568.77 : x
  2. Step 2: Convert to fraction form
    238,341.69/328,851.90 = 174,568.77/x
  3. Step 3: Cross multiply
    238,341.69x = 328,851.90 × 174,568.77
  4. Step 4: Simplify right side
    238,341.69x = 57,407,271,695.16
  5. Step 5: Solve for x
    x = 57,407,271,695.16/238,341.69
  6. Step 6: Final answer
    x = 240,861.23

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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.