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Finding the Fourth Proportional to 358,713.60, 495,024.84 and 197,568.24

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Solution

The fourth proportional to 358,713.60, 495,024.84 and 197,568.24 is: 272,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,713.60 : 495,024.84 = 197,568.24 : x
  2. Step 2: Convert to fraction form
    358,713.60/495,024.84 = 197,568.24/x
  3. Step 3: Cross multiply
    358,713.60x = 495,024.84 × 197,568.24
  4. Step 4: Simplify right side
    358,713.60x = 97,801,186,395.08
  5. Step 5: Solve for x
    x = 97,801,186,395.08/358,713.60
  6. Step 6: Final answer
    x = 272,644.21

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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.