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Finding the Fourth Proportional to 554,796, 765,624.02 and 300,152.66

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Solution

The fourth proportional to 554,796, 765,624.02 and 300,152.66 is: 414,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,796 : 765,624.02 = 300,152.66 : x
  2. Step 2: Convert to fraction form
    554,796/765,624.02 = 300,152.66/x
  3. Step 3: Cross multiply
    554,796x = 765,624.02 × 300,152.66
  4. Step 4: Simplify right side
    554,796x = 229,804,080,834.01
  5. Step 5: Solve for x
    x = 229,804,080,834.01/554,796
  6. Step 6: Final answer
    x = 414,213.66

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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.