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Finding the Fourth Proportional to 606,769.60, 910,903.20 and 382,129.60

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Solution

The fourth proportional to 606,769.60, 910,903.20 and 382,129.60 is: 573,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,769.60 : 910,903.20 = 382,129.60 : x
  2. Step 2: Convert to fraction form
    606,769.60/910,903.20 = 382,129.60/x
  3. Step 3: Cross multiply
    606,769.60x = 910,903.20 × 382,129.60
  4. Step 4: Simplify right side
    606,769.60x = 348,083,075,454.72
  5. Step 5: Solve for x
    x = 348,083,075,454.72/606,769.60
  6. Step 6: Final answer
    x = 573,665.98

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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.