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Finding the Fourth Proportional to 607,609.35, 838,500.90 and 352,976.94

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Solution

The fourth proportional to 607,609.35, 838,500.90 and 352,976.94 is: 487,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,609.35 : 838,500.90 = 352,976.94 : x
  2. Step 2: Convert to fraction form
    607,609.35/838,500.90 = 352,976.94/x
  3. Step 3: Cross multiply
    607,609.35x = 838,500.90 × 352,976.94
  4. Step 4: Simplify right side
    607,609.35x = 295,971,475,911.86
  5. Step 5: Solve for x
    x = 295,971,475,911.86/607,609.35
  6. Step 6: Final answer
    x = 487,108.17

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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.