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Finding the Fourth Proportional to 1,879,207.02, 2,593,312.49 and 1,019,767.05

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Solution

The fourth proportional to 1,879,207.02, 2,593,312.49 and 1,019,767.05 is: 1,407,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,207.02 : 2,593,312.49 = 1,019,767.05 : x
  2. Step 2: Convert to fraction form
    1,879,207.02/2,593,312.49 = 1,019,767.05/x
  3. Step 3: Cross multiply
    1,879,207.02x = 2,593,312.49 × 1,019,767.05
  4. Step 4: Simplify right side
    1,879,207.02x = 2,644,574,627,655.46
  5. Step 5: Solve for x
    x = 2,644,574,627,655.46/1,879,207.02
  6. Step 6: Final answer
    x = 1,407,282.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.