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Finding the Fourth Proportional to 1,365,219, 1,884,003.03 and 761,607

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Solution

The fourth proportional to 1,365,219, 1,884,003.03 and 761,607 is: 1,051,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,219 : 1,884,003.03 = 761,607 : x
  2. Step 2: Convert to fraction form
    1,365,219/1,884,003.03 = 761,607/x
  3. Step 3: Cross multiply
    1,365,219x = 1,884,003.03 × 761,607
  4. Step 4: Simplify right side
    1,365,219x = 1,434,869,895,669.21
  5. Step 5: Solve for x
    x = 1,434,869,895,669.21/1,365,219
  6. Step 6: Final answer
    x = 1,051,018.11

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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.