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Finding the Fourth Proportional to 531,023.60, 796,535.40 and 342,066.80

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Solution

The fourth proportional to 531,023.60, 796,535.40 and 342,066.80 is: 513,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,023.60 : 796,535.40 = 342,066.80 : x
  2. Step 2: Convert to fraction form
    531,023.60/796,535.40 = 342,066.80/x
  3. Step 3: Cross multiply
    531,023.60x = 796,535.40 × 342,066.80
  4. Step 4: Simplify right side
    531,023.60x = 272,468,315,364.72
  5. Step 5: Solve for x
    x = 272,468,315,364.72/531,023.60
  6. Step 6: Final answer
    x = 513,100.20

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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.