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Finding the Fourth Proportional to 1,869,463.60, 2,804,195.40 and 1,852,874.80

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Solution

The fourth proportional to 1,869,463.60, 2,804,195.40 and 1,852,874.80 is: 2,779,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,463.60 : 2,804,195.40 = 1,852,874.80 : x
  2. Step 2: Convert to fraction form
    1,869,463.60/2,804,195.40 = 1,852,874.80/x
  3. Step 3: Cross multiply
    1,869,463.60x = 2,804,195.40 × 1,852,874.80
  4. Step 4: Simplify right side
    1,869,463.60x = 5,195,822,990,935.92
  5. Step 5: Solve for x
    x = 5,195,822,990,935.92/1,869,463.60
  6. Step 6: Final answer
    x = 2,779,312.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.