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Finding the Fourth Proportional to 556,053.64, 833,780.46 and 300,023.32

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Solution

The fourth proportional to 556,053.64, 833,780.46 and 300,023.32 is: 449,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,053.64 : 833,780.46 = 300,023.32 : x
  2. Step 2: Convert to fraction form
    556,053.64/833,780.46 = 300,023.32/x
  3. Step 3: Cross multiply
    556,053.64x = 833,780.46 × 300,023.32
  4. Step 4: Simplify right side
    556,053.64x = 250,153,581,760.33
  5. Step 5: Solve for x
    x = 250,153,581,760.33/556,053.64
  6. Step 6: Final answer
    x = 449,873.11

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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.