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Finding the Fourth Proportional to 493,606.20, 740,409.30 and 283,265.40

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Solution

The fourth proportional to 493,606.20, 740,409.30 and 283,265.40 is: 424,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,606.20 : 740,409.30 = 283,265.40 : x
  2. Step 2: Convert to fraction form
    493,606.20/740,409.30 = 283,265.40/x
  3. Step 3: Cross multiply
    493,606.20x = 740,409.30 × 283,265.40
  4. Step 4: Simplify right side
    493,606.20x = 209,732,336,528.22
  5. Step 5: Solve for x
    x = 209,732,336,528.22/493,606.20
  6. Step 6: Final answer
    x = 424,898.10

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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.