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Finding the Fourth Proportional to 6,300,510.80, 9,439,879.80 and 2,927,800.40

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Solution

The fourth proportional to 6,300,510.80, 9,439,879.80 and 2,927,800.40 is: 4,386,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300,510.80 : 9,439,879.80 = 2,927,800.40 : x
  2. Step 2: Convert to fraction form
    6,300,510.80/9,439,879.80 = 2,927,800.40/x
  3. Step 3: Cross multiply
    6,300,510.80x = 9,439,879.80 × 2,927,800.40
  4. Step 4: Simplify right side
    6,300,510.80x = 27,638,083,854,391.92
  5. Step 5: Solve for x
    x = 27,638,083,854,391.92/6,300,510.80
  6. Step 6: Final answer
    x = 4,386,641.77

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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.