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Finding the Fourth Proportional to 1,346,332.88, 1,857,810.08 and 742,682

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Solution

The fourth proportional to 1,346,332.88, 1,857,810.08 and 742,682 is: 1,024,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,332.88 : 1,857,810.08 = 742,682 : x
  2. Step 2: Convert to fraction form
    1,346,332.88/1,857,810.08 = 742,682/x
  3. Step 3: Cross multiply
    1,346,332.88x = 1,857,810.08 × 742,682
  4. Step 4: Simplify right side
    1,346,332.88x = 1,379,762,105,834.56
  5. Step 5: Solve for x
    x = 1,379,762,105,834.56/1,346,332.88
  6. Step 6: Final answer
    x = 1,024,829.84

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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.