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Finding the Fourth Proportional to 369,592.81, 510,038.80 and 199,826.93

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Solution

The fourth proportional to 369,592.81, 510,038.80 and 199,826.93 is: 275,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,592.81 : 510,038.80 = 199,826.93 : x
  2. Step 2: Convert to fraction form
    369,592.81/510,038.80 = 199,826.93/x
  3. Step 3: Cross multiply
    369,592.81x = 510,038.80 × 199,826.93
  4. Step 4: Simplify right side
    369,592.81x = 101,919,488,360.41
  5. Step 5: Solve for x
    x = 101,919,488,360.41/369,592.81
  6. Step 6: Final answer
    x = 275,761.56

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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.