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Finding the Fourth Proportional to 402,525.59, 555,440.69 and 241,387.43

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Solution

The fourth proportional to 402,525.59, 555,440.69 and 241,387.43 is: 333,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,525.59 : 555,440.69 = 241,387.43 : x
  2. Step 2: Convert to fraction form
    402,525.59/555,440.69 = 241,387.43/x
  3. Step 3: Cross multiply
    402,525.59x = 555,440.69 × 241,387.43
  4. Step 4: Simplify right side
    402,525.59x = 134,076,398,502.79
  5. Step 5: Solve for x
    x = 134,076,398,502.79/402,525.59
  6. Step 6: Final answer
    x = 333,087.89

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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.