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Finding the Fourth Proportional to 606,822.60, 910,233.90 and 417,865.80

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Solution

The fourth proportional to 606,822.60, 910,233.90 and 417,865.80 is: 626,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,822.60 : 910,233.90 = 417,865.80 : x
  2. Step 2: Convert to fraction form
    606,822.60/910,233.90 = 417,865.80/x
  3. Step 3: Cross multiply
    606,822.60x = 910,233.90 × 417,865.80
  4. Step 4: Simplify right side
    606,822.60x = 380,355,616,810.62
  5. Step 5: Solve for x
    x = 380,355,616,810.62/606,822.60
  6. Step 6: Final answer
    x = 626,798.70

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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.