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Finding the Fourth Proportional to 358,754.67, 495,063.18 and 197,606.25

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Solution

The fourth proportional to 358,754.67, 495,063.18 and 197,606.25 is: 272,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,754.67 : 495,063.18 = 197,606.25 : x
  2. Step 2: Convert to fraction form
    358,754.67/495,063.18 = 197,606.25/x
  3. Step 3: Cross multiply
    358,754.67x = 495,063.18 × 197,606.25
  4. Step 4: Simplify right side
    358,754.67x = 97,827,578,512.88
  5. Step 5: Solve for x
    x = 97,827,578,512.88/358,754.67
  6. Step 6: Final answer
    x = 272,686.56

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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.