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Finding the Fourth Proportional to 1,944,358.61, 2,916,678.08 and 746,280.93

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Solution

The fourth proportional to 1,944,358.61, 2,916,678.08 and 746,280.93 is: 1,119,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,358.61 : 2,916,678.08 = 746,280.93 : x
  2. Step 2: Convert to fraction form
    1,944,358.61/2,916,678.08 = 746,280.93/x
  3. Step 3: Cross multiply
    1,944,358.61x = 2,916,678.08 × 746,280.93
  4. Step 4: Simplify right side
    1,944,358.61x = 2,176,661,211,738.22
  5. Step 5: Solve for x
    x = 2,176,661,211,738.22/1,944,358.61
  6. Step 6: Final answer
    x = 1,119,475.18

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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.