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Finding the Fourth Proportional to 662,772.80, 993,232.49 and 358,510.07

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Solution

The fourth proportional to 662,772.80, 993,232.49 and 358,510.07 is: 537,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,772.80 : 993,232.49 = 358,510.07 : x
  2. Step 2: Convert to fraction form
    662,772.80/993,232.49 = 358,510.07/x
  3. Step 3: Cross multiply
    662,772.80x = 993,232.49 × 358,510.07
  4. Step 4: Simplify right side
    662,772.80x = 356,083,842,757.46
  5. Step 5: Solve for x
    x = 356,083,842,757.46/662,772.80
  6. Step 6: Final answer
    x = 537,263.82

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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.