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Finding the Fourth Proportional to 567,397.15, 851,290.15 and 193,682.59

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Solution

The fourth proportional to 567,397.15, 851,290.15 and 193,682.59 is: 290,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,397.15 : 851,290.15 = 193,682.59 : x
  2. Step 2: Convert to fraction form
    567,397.15/851,290.15 = 193,682.59/x
  3. Step 3: Cross multiply
    567,397.15x = 851,290.15 × 193,682.59
  4. Step 4: Simplify right side
    567,397.15x = 164,880,076,837.04
  5. Step 5: Solve for x
    x = 164,880,076,837.04/567,397.15
  6. Step 6: Final answer
    x = 290,590.25

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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.