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Finding the Fourth Proportional to 1,866,775.74, 2,575,953.32 and 1,050,964.59

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Solution

The fourth proportional to 1,866,775.74, 2,575,953.32 and 1,050,964.59 is: 1,450,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,775.74 : 2,575,953.32 = 1,050,964.59 : x
  2. Step 2: Convert to fraction form
    1,866,775.74/2,575,953.32 = 1,050,964.59/x
  3. Step 3: Cross multiply
    1,866,775.74x = 2,575,953.32 × 1,050,964.59
  4. Step 4: Simplify right side
    1,866,775.74x = 2,707,235,724,812.94
  5. Step 5: Solve for x
    x = 2,707,235,724,812.94/1,866,775.74
  6. Step 6: Final answer
    x = 1,450,220.11

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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.