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Finding the Fourth Proportional to 654,604.70, 903,345.86 and 368,124.70

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Solution

The fourth proportional to 654,604.70, 903,345.86 and 368,124.70 is: 508,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,604.70 : 903,345.86 = 368,124.70 : x
  2. Step 2: Convert to fraction form
    654,604.70/903,345.86 = 368,124.70/x
  3. Step 3: Cross multiply
    654,604.70x = 903,345.86 × 368,124.70
  4. Step 4: Simplify right side
    654,604.70x = 332,543,923,708.74
  5. Step 5: Solve for x
    x = 332,543,923,708.74/654,604.70
  6. Step 6: Final answer
    x = 508,007.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.