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Finding the Fourth Proportional to 656,602.59, 906,188.96 and 366,259.89

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Solution

The fourth proportional to 656,602.59, 906,188.96 and 366,259.89 is: 505,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,602.59 : 906,188.96 = 366,259.89 : x
  2. Step 2: Convert to fraction form
    656,602.59/906,188.96 = 366,259.89/x
  3. Step 3: Cross multiply
    656,602.59x = 906,188.96 × 366,259.89
  4. Step 4: Simplify right side
    656,602.59x = 331,900,666,977.52
  5. Step 5: Solve for x
    x = 331,900,666,977.52/656,602.59
  6. Step 6: Final answer
    x = 505,481.81

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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.