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Finding the Fourth Proportional to 1,254,510.02, 1,890,198.50 and 1,134,700.54

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Solution

The fourth proportional to 1,254,510.02, 1,890,198.50 and 1,134,700.54 is: 1,709,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,510.02 : 1,890,198.50 = 1,134,700.54 : x
  2. Step 2: Convert to fraction form
    1,254,510.02/1,890,198.50 = 1,134,700.54/x
  3. Step 3: Cross multiply
    1,254,510.02x = 1,890,198.50 × 1,134,700.54
  4. Step 4: Simplify right side
    1,254,510.02x = 2,144,809,243,532.69
  5. Step 5: Solve for x
    x = 2,144,809,243,532.69/1,254,510.02
  6. Step 6: Final answer
    x = 1,709,678.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.