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Finding the Fourth Proportional to 1,174,899.02, 1,621,355.01 and 665,600.18

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Solution

The fourth proportional to 1,174,899.02, 1,621,355.01 and 665,600.18 is: 918,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,899.02 : 1,621,355.01 = 665,600.18 : x
  2. Step 2: Convert to fraction form
    1,174,899.02/1,621,355.01 = 665,600.18/x
  3. Step 3: Cross multiply
    1,174,899.02x = 1,621,355.01 × 665,600.18
  4. Step 4: Simplify right side
    1,174,899.02x = 1,079,174,186,499.90
  5. Step 5: Solve for x
    x = 1,079,174,186,499.90/1,174,899.02
  6. Step 6: Final answer
    x = 918,525.05

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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.