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Finding the Fourth Proportional to 2,866,950.84, 4,301,048.42 and 872,355

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Solution

The fourth proportional to 2,866,950.84, 4,301,048.42 and 872,355 is: 1,308,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,950.84 : 4,301,048.42 = 872,355 : x
  2. Step 2: Convert to fraction form
    2,866,950.84/4,301,048.42 = 872,355/x
  3. Step 3: Cross multiply
    2,866,950.84x = 4,301,048.42 × 872,355
  4. Step 4: Simplify right side
    2,866,950.84x = 3,752,041,094,429.10
  5. Step 5: Solve for x
    x = 3,752,041,094,429.10/2,866,950.84
  6. Step 6: Final answer
    x = 1,308,721.81

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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.