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Finding the Fourth Proportional to 358,599.66, 494,867.53 and 197,454.32

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Solution

The fourth proportional to 358,599.66, 494,867.53 and 197,454.32 is: 272,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,599.66 : 494,867.53 = 197,454.32 : x
  2. Step 2: Convert to fraction form
    358,599.66/494,867.53 = 197,454.32/x
  3. Step 3: Cross multiply
    358,599.66x = 494,867.53 × 197,454.32
  4. Step 4: Simplify right side
    358,599.66x = 97,713,730,839.69
  5. Step 5: Solve for x
    x = 97,713,730,839.69/358,599.66
  6. Step 6: Final answer
    x = 272,486.96

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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.