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Finding the Fourth Proportional to 520,094.04, 780,366.44 and 183,375.20

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Solution

The fourth proportional to 520,094.04, 780,366.44 and 183,375.20 is: 275,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,094.04 : 780,366.44 = 183,375.20 : x
  2. Step 2: Convert to fraction form
    520,094.04/780,366.44 = 183,375.20/x
  3. Step 3: Cross multiply
    520,094.04x = 780,366.44 × 183,375.20
  4. Step 4: Simplify right side
    520,094.04x = 143,099,852,008.29
  5. Step 5: Solve for x
    x = 143,099,852,008.29/520,094.04
  6. Step 6: Final answer
    x = 275,142.26

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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.