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Finding the Fourth Proportional to 1,872,460.02, 2,584,061.28 and 1,056,862.20

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Solution

The fourth proportional to 1,872,460.02, 2,584,061.28 and 1,056,862.20 is: 1,458,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,460.02 : 2,584,061.28 = 1,056,862.20 : x
  2. Step 2: Convert to fraction form
    1,872,460.02/2,584,061.28 = 1,056,862.20/x
  3. Step 3: Cross multiply
    1,872,460.02x = 2,584,061.28 × 1,056,862.20
  4. Step 4: Simplify right side
    1,872,460.02x = 2,730,996,689,315.62
  5. Step 5: Solve for x
    x = 2,730,996,689,315.62/1,872,460.02
  6. Step 6: Final answer
    x = 1,458,507.34

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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.