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Finding the Fourth Proportional to 459,726.84, 688,115.25 and 245,960.01

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Solution

The fourth proportional to 459,726.84, 688,115.25 and 245,960.01 is: 368,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,726.84 : 688,115.25 = 245,960.01 : x
  2. Step 2: Convert to fraction form
    459,726.84/688,115.25 = 245,960.01/x
  3. Step 3: Cross multiply
    459,726.84x = 688,115.25 × 245,960.01
  4. Step 4: Simplify right side
    459,726.84x = 169,248,833,771.15
  5. Step 5: Solve for x
    x = 169,248,833,771.15/459,726.84
  6. Step 6: Final answer
    x = 368,150.86

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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.