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Finding the Fourth Proportional to 493,459.90, 739,205.70 and 282,851.80

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Solution

The fourth proportional to 493,459.90, 739,205.70 and 282,851.80 is: 423,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,459.90 : 739,205.70 = 282,851.80 : x
  2. Step 2: Convert to fraction form
    493,459.90/739,205.70 = 282,851.80/x
  3. Step 3: Cross multiply
    493,459.90x = 739,205.70 × 282,851.80
  4. Step 4: Simplify right side
    493,459.90x = 209,085,662,815.26
  5. Step 5: Solve for x
    x = 209,085,662,815.26/493,459.90
  6. Step 6: Final answer
    x = 423,713.58

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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.