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Finding the Fourth Proportional to 569,578.18, 785,647.55 and 365,305.55

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Solution

The fourth proportional to 569,578.18, 785,647.55 and 365,305.55 is: 503,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,578.18 : 785,647.55 = 365,305.55 : x
  2. Step 2: Convert to fraction form
    569,578.18/785,647.55 = 365,305.55/x
  3. Step 3: Cross multiply
    569,578.18x = 785,647.55 × 365,305.55
  4. Step 4: Simplify right side
    569,578.18x = 287,001,407,343.93
  5. Step 5: Solve for x
    x = 287,001,407,343.93/569,578.18
  6. Step 6: Final answer
    x = 503,884.13

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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.