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Finding the Fourth Proportional to 369,509.95, 554,264.93 and 132,723.46

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Solution

The fourth proportional to 369,509.95, 554,264.93 and 132,723.46 is: 199,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,509.95 : 554,264.93 = 132,723.46 : x
  2. Step 2: Convert to fraction form
    369,509.95/554,264.93 = 132,723.46/x
  3. Step 3: Cross multiply
    369,509.95x = 554,264.93 × 132,723.46
  4. Step 4: Simplify right side
    369,509.95x = 73,563,959,266.26
  5. Step 5: Solve for x
    x = 73,563,959,266.26/369,509.95
  6. Step 6: Final answer
    x = 199,085.19

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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.