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Finding the Fourth Proportional to 380,058.56, 524,472.56 and 207,975.76

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Solution

The fourth proportional to 380,058.56, 524,472.56 and 207,975.76 is: 287,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,058.56 : 524,472.56 = 207,975.76 : x
  2. Step 2: Convert to fraction form
    380,058.56/524,472.56 = 207,975.76/x
  3. Step 3: Cross multiply
    380,058.56x = 524,472.56 × 207,975.76
  4. Step 4: Simplify right side
    380,058.56x = 109,077,579,265.15
  5. Step 5: Solve for x
    x = 109,077,579,265.15/380,058.56
  6. Step 6: Final answer
    x = 287,002.03

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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.