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Finding the Fourth Proportional to 656,603.59, 906,190.34 and 366,260.89

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Solution

The fourth proportional to 656,603.59, 906,190.34 and 366,260.89 is: 505,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,603.59 : 906,190.34 = 366,260.89 : x
  2. Step 2: Convert to fraction form
    656,603.59/906,190.34 = 366,260.89/x
  3. Step 3: Cross multiply
    656,603.59x = 906,190.34 × 366,260.89
  4. Step 4: Simplify right side
    656,603.59x = 331,902,080,437.80
  5. Step 5: Solve for x
    x = 331,902,080,437.80/656,603.59
  6. Step 6: Final answer
    x = 505,483.19

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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.