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Finding the Fourth Proportional to 702,793.80, 1,054,387.62 and 282,364.92

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Solution

The fourth proportional to 702,793.80, 1,054,387.62 and 282,364.92 is: 423,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,793.80 : 1,054,387.62 = 282,364.92 : x
  2. Step 2: Convert to fraction form
    702,793.80/1,054,387.62 = 282,364.92/x
  3. Step 3: Cross multiply
    702,793.80x = 1,054,387.62 × 282,364.92
  4. Step 4: Simplify right side
    702,793.80x = 297,722,075,970.29
  5. Step 5: Solve for x
    x = 297,722,075,970.29/702,793.80
  6. Step 6: Final answer
    x = 423,626.50

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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.