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Finding the Fourth Proportional to 369,508.95, 554,263.43 and 132,722.46

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Solution

The fourth proportional to 369,508.95, 554,263.43 and 132,722.46 is: 199,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,508.95 : 554,263.43 = 132,722.46 : x
  2. Step 2: Convert to fraction form
    369,508.95/554,263.43 = 132,722.46/x
  3. Step 3: Cross multiply
    369,508.95x = 554,263.43 × 132,722.46
  4. Step 4: Simplify right side
    369,508.95x = 73,563,205,254.03
  5. Step 5: Solve for x
    x = 73,563,205,254.03/369,508.95
  6. Step 6: Final answer
    x = 199,083.69

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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.