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Finding the Fourth Proportional to 604,626.20, 907,814.10 and 455,910.20

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Solution

The fourth proportional to 604,626.20, 907,814.10 and 455,910.20 is: 684,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,626.20 : 907,814.10 = 455,910.20 : x
  2. Step 2: Convert to fraction form
    604,626.20/907,814.10 = 455,910.20/x
  3. Step 3: Cross multiply
    604,626.20x = 907,814.10 × 455,910.20
  4. Step 4: Simplify right side
    604,626.20x = 413,881,707,893.82
  5. Step 5: Solve for x
    x = 413,881,707,893.82/604,626.20
  6. Step 6: Final answer
    x = 684,524.93

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1.5x scale

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.