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Finding the Fourth Proportional to 329,430.30, 494,145.45 and 250,698.30

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Solution

The fourth proportional to 329,430.30, 494,145.45 and 250,698.30 is: 376,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,430.30 : 494,145.45 = 250,698.30 : x
  2. Step 2: Convert to fraction form
    329,430.30/494,145.45 = 250,698.30/x
  3. Step 3: Cross multiply
    329,430.30x = 494,145.45 × 250,698.30
  4. Step 4: Simplify right side
    329,430.30x = 123,881,424,267.74
  5. Step 5: Solve for x
    x = 123,881,424,267.74/329,430.30
  6. Step 6: Final answer
    x = 376,047.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.