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Finding the Fourth Proportional to 540,134.34, 810,300 and 185,184.24

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Solution

The fourth proportional to 540,134.34, 810,300 and 185,184.24 is: 277,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,134.34 : 810,300 = 185,184.24 : x
  2. Step 2: Convert to fraction form
    540,134.34/810,300 = 185,184.24/x
  3. Step 3: Cross multiply
    540,134.34x = 810,300 × 185,184.24
  4. Step 4: Simplify right side
    540,134.34x = 150,054,789,672
  5. Step 5: Solve for x
    x = 150,054,789,672/540,134.34
  6. Step 6: Final answer
    x = 277,810.13

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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.