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Finding the Fourth Proportional to 360,634.90, 497,655.48 and 197,258.98

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Solution

The fourth proportional to 360,634.90, 497,655.48 and 197,258.98 is: 272,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,634.90 : 497,655.48 = 197,258.98 : x
  2. Step 2: Convert to fraction form
    360,634.90/497,655.48 = 197,258.98/x
  3. Step 3: Cross multiply
    360,634.90x = 497,655.48 × 197,258.98
  4. Step 4: Simplify right side
    360,634.90x = 98,167,012,376.21
  5. Step 5: Solve for x
    x = 98,167,012,376.21/360,634.90
  6. Step 6: Final answer
    x = 272,206.08

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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.