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Finding the Fourth Proportional to 665,533.34, 918,436.29 and 363,727.34

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Solution

The fourth proportional to 665,533.34, 918,436.29 and 363,727.34 is: 501,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,533.34 : 918,436.29 = 363,727.34 : x
  2. Step 2: Convert to fraction form
    665,533.34/918,436.29 = 363,727.34/x
  3. Step 3: Cross multiply
    665,533.34x = 918,436.29 × 363,727.34
  4. Step 4: Simplify right side
    665,533.34x = 334,060,388,721.17
  5. Step 5: Solve for x
    x = 334,060,388,721.17/665,533.34
  6. Step 6: Final answer
    x = 501,943.88

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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.