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Finding the Fourth Proportional to 531,506.76, 796,357.98 and 320,701.80

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Solution

The fourth proportional to 531,506.76, 796,357.98 and 320,701.80 is: 480,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,506.76 : 796,357.98 = 320,701.80 : x
  2. Step 2: Convert to fraction form
    531,506.76/796,357.98 = 320,701.80/x
  3. Step 3: Cross multiply
    531,506.76x = 796,357.98 × 320,701.80
  4. Step 4: Simplify right side
    531,506.76x = 255,393,437,630.36
  5. Step 5: Solve for x
    x = 255,393,437,630.36/531,506.76
  6. Step 6: Final answer
    x = 480,508.35

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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.