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Finding the Fourth Proportional to 3,280,673.04, 4,921,038.66 and 1,006,208.04

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Solution

The fourth proportional to 3,280,673.04, 4,921,038.66 and 1,006,208.04 is: 1,509,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,673.04 : 4,921,038.66 = 1,006,208.04 : x
  2. Step 2: Convert to fraction form
    3,280,673.04/4,921,038.66 = 1,006,208.04/x
  3. Step 3: Cross multiply
    3,280,673.04x = 4,921,038.66 × 1,006,208.04
  4. Step 4: Simplify right side
    3,280,673.04x = 4,951,588,664,842.83
  5. Step 5: Solve for x
    x = 4,951,588,664,842.83/3,280,673.04
  6. Step 6: Final answer
    x = 1,509,320.99

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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.