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Finding the Fourth Proportional to 358,897.56, 495,272.16 and 197,767.56

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Solution

The fourth proportional to 358,897.56, 495,272.16 and 197,767.56 is: 272,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,897.56 : 495,272.16 = 197,767.56 : x
  2. Step 2: Convert to fraction form
    358,897.56/495,272.16 = 197,767.56/x
  3. Step 3: Cross multiply
    358,897.56x = 495,272.16 × 197,767.56
  4. Step 4: Simplify right side
    358,897.56x = 97,948,766,619.13
  5. Step 5: Solve for x
    x = 97,948,766,619.13/358,897.56
  6. Step 6: Final answer
    x = 272,915.67

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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.