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Finding the Fourth Proportional to 540,259.88, 810,435.84 and 161,156.18

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Solution

The fourth proportional to 540,259.88, 810,435.84 and 161,156.18 is: 241,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,259.88 : 810,435.84 = 161,156.18 : x
  2. Step 2: Convert to fraction form
    540,259.88/810,435.84 = 161,156.18/x
  3. Step 3: Cross multiply
    540,259.88x = 810,435.84 × 161,156.18
  4. Step 4: Simplify right side
    540,259.88x = 130,606,744,109.49
  5. Step 5: Solve for x
    x = 130,606,744,109.49/540,259.88
  6. Step 6: Final answer
    x = 241,748.00

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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.