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Finding the Fourth Proportional to 432,482.44, 597,106.59 and 387,081.69

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Solution

The fourth proportional to 432,482.44, 597,106.59 and 387,081.69 is: 534,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,482.44 : 597,106.59 = 387,081.69 : x
  2. Step 2: Convert to fraction form
    432,482.44/597,106.59 = 387,081.69/x
  3. Step 3: Cross multiply
    432,482.44x = 597,106.59 × 387,081.69
  4. Step 4: Simplify right side
    432,482.44x = 231,129,024,276.63
  5. Step 5: Solve for x
    x = 231,129,024,276.63/432,482.44
  6. Step 6: Final answer
    x = 534,424.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.