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Finding the Fourth Proportional to 358,867.53, 495,230.76 and 197,737.47

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Solution

The fourth proportional to 358,867.53, 495,230.76 and 197,737.47 is: 272,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,867.53 : 495,230.76 = 197,737.47 : x
  2. Step 2: Convert to fraction form
    358,867.53/495,230.76 = 197,737.47/x
  3. Step 3: Cross multiply
    358,867.53x = 495,230.76 × 197,737.47
  4. Step 4: Simplify right side
    358,867.53x = 97,925,677,548.58
  5. Step 5: Solve for x
    x = 97,925,677,548.58/358,867.53
  6. Step 6: Final answer
    x = 272,874.16

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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.