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Finding the Fourth Proportional to 459,088.88, 688,744.32 and 159,526

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Solution

The fourth proportional to 459,088.88, 688,744.32 and 159,526 is: 239,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,088.88 : 688,744.32 = 159,526 : x
  2. Step 2: Convert to fraction form
    459,088.88/688,744.32 = 159,526/x
  3. Step 3: Cross multiply
    459,088.88x = 688,744.32 × 159,526
  4. Step 4: Simplify right side
    459,088.88x = 109,872,626,392.32
  5. Step 5: Solve for x
    x = 109,872,626,392.32/459,088.88
  6. Step 6: Final answer
    x = 239,327.57

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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.