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Finding the Fourth Proportional to 530,584.02, 732,269.43 and 312,841.98

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Solution

The fourth proportional to 530,584.02, 732,269.43 and 312,841.98 is: 431,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,584.02 : 732,269.43 = 312,841.98 : x
  2. Step 2: Convert to fraction form
    530,584.02/732,269.43 = 312,841.98/x
  3. Step 3: Cross multiply
    530,584.02x = 732,269.43 × 312,841.98
  4. Step 4: Simplify right side
    530,584.02x = 229,084,618,374.67
  5. Step 5: Solve for x
    x = 229,084,618,374.67/530,584.02
  6. Step 6: Final answer
    x = 431,759.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.