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Finding the Fourth Proportional to 1,871,149.04, 2,581,596.23 and 1,145,240.00

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Solution

The fourth proportional to 1,871,149.04, 2,581,596.23 and 1,145,240.00 is: 1,580,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,149.04 : 2,581,596.23 = 1,145,240.00 : x
  2. Step 2: Convert to fraction form
    1,871,149.04/2,581,596.23 = 1,145,240.00/x
  3. Step 3: Cross multiply
    1,871,149.04x = 2,581,596.23 × 1,145,240.00
  4. Step 4: Simplify right side
    1,871,149.04x = 2,956,547,256,400.32
  5. Step 5: Solve for x
    x = 2,956,547,256,400.32/1,871,149.04
  6. Step 6: Final answer
    x = 1,580,070.43

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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.