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Finding the Fourth Proportional to 348,349.88, 480,277.71 and 225,625.64

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Solution

The fourth proportional to 348,349.88, 480,277.71 and 225,625.64 is: 311,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,349.88 : 480,277.71 = 225,625.64 : x
  2. Step 2: Convert to fraction form
    348,349.88/480,277.71 = 225,625.64/x
  3. Step 3: Cross multiply
    348,349.88x = 480,277.71 × 225,625.64
  4. Step 4: Simplify right side
    348,349.88x = 108,362,963,295.10
  5. Step 5: Solve for x
    x = 108,362,963,295.10/348,349.88
  6. Step 6: Final answer
    x = 311,075.07

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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.