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Finding the Fourth Proportional to 1,653,999, 2,282,348.46 and 928,840.86

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Solution

The fourth proportional to 1,653,999, 2,282,348.46 and 928,840.86 is: 1,281,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,999 : 2,282,348.46 = 928,840.86 : x
  2. Step 2: Convert to fraction form
    1,653,999/2,282,348.46 = 928,840.86/x
  3. Step 3: Cross multiply
    1,653,999x = 2,282,348.46 × 928,840.86
  4. Step 4: Simplify right side
    1,653,999x = 2,119,938,506,406.08
  5. Step 5: Solve for x
    x = 2,119,938,506,406.08/1,653,999
  6. Step 6: Final answer
    x = 1,281,704.83

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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.