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Finding the Fourth Proportional to 437,205.88, 603,345.38 and 253,480.16

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Solution

The fourth proportional to 437,205.88, 603,345.38 and 253,480.16 is: 349,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,205.88 : 603,345.38 = 253,480.16 : x
  2. Step 2: Convert to fraction form
    437,205.88/603,345.38 = 253,480.16/x
  3. Step 3: Cross multiply
    437,205.88x = 603,345.38 × 253,480.16
  4. Step 4: Simplify right side
    437,205.88x = 152,936,083,698.62
  5. Step 5: Solve for x
    x = 152,936,083,698.62/437,205.88
  6. Step 6: Final answer
    x = 349,803.35

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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.