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Finding the Fourth Proportional to 1,852,936.60, 2,779,404.90 and 654,849.40

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Solution

The fourth proportional to 1,852,936.60, 2,779,404.90 and 654,849.40 is: 982,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,936.60 : 2,779,404.90 = 654,849.40 : x
  2. Step 2: Convert to fraction form
    1,852,936.60/2,779,404.90 = 654,849.40/x
  3. Step 3: Cross multiply
    1,852,936.60x = 2,779,404.90 × 654,849.40
  4. Step 4: Simplify right side
    1,852,936.60x = 1,820,091,631,122.06
  5. Step 5: Solve for x
    x = 1,820,091,631,122.06/1,852,936.60
  6. Step 6: Final answer
    x = 982,274.10

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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.