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Finding the Fourth Proportional to 569,501.42, 785,920.35 and 385,796.17

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Solution

The fourth proportional to 569,501.42, 785,920.35 and 385,796.17 is: 532,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,501.42 : 785,920.35 = 385,796.17 : x
  2. Step 2: Convert to fraction form
    569,501.42/785,920.35 = 385,796.17/x
  3. Step 3: Cross multiply
    569,501.42x = 785,920.35 × 385,796.17
  4. Step 4: Simplify right side
    569,501.42x = 303,205,055,096.48
  5. Step 5: Solve for x
    x = 303,205,055,096.48/569,501.42
  6. Step 6: Final answer
    x = 532,404.39

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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.