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Finding the Fourth Proportional to 551,523.07, 761,184.68 and 336,787

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Solution

The fourth proportional to 551,523.07, 761,184.68 and 336,787 is: 464,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,523.07 : 761,184.68 = 336,787 : x
  2. Step 2: Convert to fraction form
    551,523.07/761,184.68 = 336,787/x
  3. Step 3: Cross multiply
    551,523.07x = 761,184.68 × 336,787
  4. Step 4: Simplify right side
    551,523.07x = 256,357,104,823.16
  5. Step 5: Solve for x
    x = 256,357,104,823.16/551,523.07
  6. Step 6: Final answer
    x = 464,816.65

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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.