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Finding the Fourth Proportional to 6,649,005.40, 9,973,510.83 and 1,600,315.90

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Solution

The fourth proportional to 6,649,005.40, 9,973,510.83 and 1,600,315.90 is: 2,400,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649,005.40 : 9,973,510.83 = 1,600,315.90 : x
  2. Step 2: Convert to fraction form
    6,649,005.40/9,973,510.83 = 1,600,315.90/x
  3. Step 3: Cross multiply
    6,649,005.40x = 9,973,510.83 × 1,600,315.90
  4. Step 4: Simplify right side
    6,649,005.40x = 15,960,767,935,137.42
  5. Step 5: Solve for x
    x = 15,960,767,935,137.42/6,649,005.40
  6. Step 6: Final answer
    x = 2,400,474.50

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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.