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Finding the Fourth Proportional to 459,392.04, 688,386.33 and 193,006.89

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Solution

The fourth proportional to 459,392.04, 688,386.33 and 193,006.89 is: 289,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,392.04 : 688,386.33 = 193,006.89 : x
  2. Step 2: Convert to fraction form
    459,392.04/688,386.33 = 193,006.89/x
  3. Step 3: Cross multiply
    459,392.04x = 688,386.33 × 193,006.89
  4. Step 4: Simplify right side
    459,392.04x = 132,863,304,671.81
  5. Step 5: Solve for x
    x = 132,863,304,671.81/459,392.04
  6. Step 6: Final answer
    x = 289,215.51

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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.