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Finding the Fourth Proportional to 519,059.07, 717,291.63 and 374,339.79

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Solution

The fourth proportional to 519,059.07, 717,291.63 and 374,339.79 is: 517,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,059.07 : 717,291.63 = 374,339.79 : x
  2. Step 2: Convert to fraction form
    519,059.07/717,291.63 = 374,339.79/x
  3. Step 3: Cross multiply
    519,059.07x = 717,291.63 × 374,339.79
  4. Step 4: Simplify right side
    519,059.07x = 268,510,798,142.96
  5. Step 5: Solve for x
    x = 268,510,798,142.96/519,059.07
  6. Step 6: Final answer
    x = 517,302.97

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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.