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Finding the Fourth Proportional to 519,803.39, 717,666.08 and 465,261.03

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Solution

The fourth proportional to 519,803.39, 717,666.08 and 465,261.03 is: 642,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,803.39 : 717,666.08 = 465,261.03 : x
  2. Step 2: Convert to fraction form
    519,803.39/717,666.08 = 465,261.03/x
  3. Step 3: Cross multiply
    519,803.39x = 717,666.08 × 465,261.03
  4. Step 4: Simplify right side
    519,803.39x = 333,902,057,250.56
  5. Step 5: Solve for x
    x = 333,902,057,250.56/519,803.39
  6. Step 6: Final answer
    x = 642,362.21

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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.