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Finding the Fourth Proportional to 608,658.44, 912,809.28 and 229,305.47

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Solution

The fourth proportional to 608,658.44, 912,809.28 and 229,305.47 is: 343,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,658.44 : 912,809.28 = 229,305.47 : x
  2. Step 2: Convert to fraction form
    608,658.44/912,809.28 = 229,305.47/x
  3. Step 3: Cross multiply
    608,658.44x = 912,809.28 × 229,305.47
  4. Step 4: Simplify right side
    608,658.44x = 209,312,160,970.76
  5. Step 5: Solve for x
    x = 209,312,160,970.76/608,658.44
  6. Step 6: Final answer
    x = 343,891.00

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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.