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Finding the Fourth Proportional to 598,437.62, 896,880.86 and 243,038.78

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Solution

The fourth proportional to 598,437.62, 896,880.86 and 243,038.78 is: 364,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,437.62 : 896,880.86 = 243,038.78 : x
  2. Step 2: Convert to fraction form
    598,437.62/896,880.86 = 243,038.78/x
  3. Step 3: Cross multiply
    598,437.62x = 896,880.86 × 243,038.78
  4. Step 4: Simplify right side
    598,437.62x = 217,976,828,804.56
  5. Step 5: Solve for x
    x = 217,976,828,804.56/598,437.62
  6. Step 6: Final answer
    x = 364,243.19

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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.