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Finding the Fourth Proportional to 347,924.76, 480,128.22 and 204,653.40

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Solution

The fourth proportional to 347,924.76, 480,128.22 and 204,653.40 is: 282,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,924.76 : 480,128.22 = 204,653.40 : x
  2. Step 2: Convert to fraction form
    347,924.76/480,128.22 = 204,653.40/x
  3. Step 3: Cross multiply
    347,924.76x = 480,128.22 × 204,653.40
  4. Step 4: Simplify right side
    347,924.76x = 98,259,872,658.95
  5. Step 5: Solve for x
    x = 98,259,872,658.95/347,924.76
  6. Step 6: Final answer
    x = 282,417.02

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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.