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Finding the Fourth Proportional to 358,928, 495,330.88 and 199,962.24

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Solution

The fourth proportional to 358,928, 495,330.88 and 199,962.24 is: 275,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,928 : 495,330.88 = 199,962.24 : x
  2. Step 2: Convert to fraction form
    358,928/495,330.88 = 199,962.24/x
  3. Step 3: Cross multiply
    358,928x = 495,330.88 × 199,962.24
  4. Step 4: Simplify right side
    358,928x = 99,047,472,305.97
  5. Step 5: Solve for x
    x = 99,047,472,305.97/358,928
  6. Step 6: Final answer
    x = 275,953.60

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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.