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Finding the Fourth Proportional to 541,343.04, 812,069.12 and 186,310.40

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Solution

The fourth proportional to 541,343.04, 812,069.12 and 186,310.40 is: 279,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,343.04 : 812,069.12 = 186,310.40 : x
  2. Step 2: Convert to fraction form
    541,343.04/812,069.12 = 186,310.40/x
  3. Step 3: Cross multiply
    541,343.04x = 812,069.12 × 186,310.40
  4. Step 4: Simplify right side
    541,343.04x = 151,296,922,574.85
  5. Step 5: Solve for x
    x = 151,296,922,574.85/541,343.04
  6. Step 6: Final answer
    x = 279,484.38

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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.