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Finding the Fourth Proportional to 1,976,352.58, 2,964,703.92 and 556,420.96

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Solution

The fourth proportional to 1,976,352.58, 2,964,703.92 and 556,420.96 is: 834,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,352.58 : 2,964,703.92 = 556,420.96 : x
  2. Step 2: Convert to fraction form
    1,976,352.58/2,964,703.92 = 556,420.96/x
  3. Step 3: Cross multiply
    1,976,352.58x = 2,964,703.92 × 556,420.96
  4. Step 4: Simplify right side
    1,976,352.58x = 1,649,623,401,282.16
  5. Step 5: Solve for x
    x = 1,649,623,401,282.16/1,976,352.58
  6. Step 6: Final answer
    x = 834,680.72

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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.