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Finding the Fourth Proportional to 1,365,559, 1,884,470.10 and 761,947

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Solution

The fourth proportional to 1,365,559, 1,884,470.10 and 761,947 is: 1,051,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,559 : 1,884,470.10 = 761,947 : x
  2. Step 2: Convert to fraction form
    1,365,559/1,884,470.10 = 761,947/x
  3. Step 3: Cross multiply
    1,365,559x = 1,884,470.10 × 761,947
  4. Step 4: Simplify right side
    1,365,559x = 1,435,866,339,284.70
  5. Step 5: Solve for x
    x = 1,435,866,339,284.70/1,365,559
  6. Step 6: Final answer
    x = 1,051,486.12

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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.