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Finding the Fourth Proportional to 253,444.95, 349,715.07 and 145,994.00

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Solution

The fourth proportional to 253,444.95, 349,715.07 and 145,994.00 is: 201,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,444.95 : 349,715.07 = 145,994.00 : x
  2. Step 2: Convert to fraction form
    253,444.95/349,715.07 = 145,994.00/x
  3. Step 3: Cross multiply
    253,444.95x = 349,715.07 × 145,994.00
  4. Step 4: Simplify right side
    253,444.95x = 51,056,300,181.00
  5. Step 5: Solve for x
    x = 51,056,300,181.00/253,444.95
  6. Step 6: Final answer
    x = 201,449.27

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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.