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Finding the Fourth Proportional to 431,594.64, 595,603.20 and 240,620.16

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Solution

The fourth proportional to 431,594.64, 595,603.20 and 240,620.16 is: 332,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,594.64 : 595,603.20 = 240,620.16 : x
  2. Step 2: Convert to fraction form
    431,594.64/595,603.20 = 240,620.16/x
  3. Step 3: Cross multiply
    431,594.64x = 595,603.20 × 240,620.16
  4. Step 4: Simplify right side
    431,594.64x = 143,314,137,280.51
  5. Step 5: Solve for x
    x = 143,314,137,280.51/431,594.64
  6. Step 6: Final answer
    x = 332,057.27

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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.