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Finding the Fourth Proportional to 609,777.81, 910,316.48 and 569,255.33

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Solution

The fourth proportional to 609,777.81, 910,316.48 and 569,255.33 is: 849,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,777.81 : 910,316.48 = 569,255.33 : x
  2. Step 2: Convert to fraction form
    609,777.81/910,316.48 = 569,255.33/x
  3. Step 3: Cross multiply
    609,777.81x = 910,316.48 × 569,255.33
  4. Step 4: Simplify right side
    609,777.81x = 518,202,507,656.35
  5. Step 5: Solve for x
    x = 518,202,507,656.35/609,777.81
  6. Step 6: Final answer
    x = 849,821.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.