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Finding the Fourth Proportional to 284,326.42, 426,347.02 and 94,720.13

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Solution

The fourth proportional to 284,326.42, 426,347.02 and 94,720.13 is: 142,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,326.42 : 426,347.02 = 94,720.13 : x
  2. Step 2: Convert to fraction form
    284,326.42/426,347.02 = 94,720.13/x
  3. Step 3: Cross multiply
    284,326.42x = 426,347.02 × 94,720.13
  4. Step 4: Simplify right side
    284,326.42x = 40,383,645,159.51
  5. Step 5: Solve for x
    x = 40,383,645,159.51/284,326.42
  6. Step 6: Final answer
    x = 142,032.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.