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Finding the Fourth Proportional to 683,976.04, 943,870.47 and 373,864.70

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Solution

The fourth proportional to 683,976.04, 943,870.47 and 373,864.70 is: 515,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,976.04 : 943,870.47 = 373,864.70 : x
  2. Step 2: Convert to fraction form
    683,976.04/943,870.47 = 373,864.70/x
  3. Step 3: Cross multiply
    683,976.04x = 943,870.47 × 373,864.70
  4. Step 4: Simplify right side
    683,976.04x = 352,879,853,533.85
  5. Step 5: Solve for x
    x = 352,879,853,533.85/683,976.04
  6. Step 6: Final answer
    x = 515,924.29

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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.