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Finding the Fourth Proportional to 438,060.70, 604,529.47 and 254,342.34

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Solution

The fourth proportional to 438,060.70, 604,529.47 and 254,342.34 is: 350,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,060.70 : 604,529.47 = 254,342.34 : x
  2. Step 2: Convert to fraction form
    438,060.70/604,529.47 = 254,342.34/x
  3. Step 3: Cross multiply
    438,060.70x = 604,529.47 × 254,342.34
  4. Step 4: Simplify right side
    438,060.70x = 153,757,439,362.90
  5. Step 5: Solve for x
    x = 153,757,439,362.90/438,060.70
  6. Step 6: Final answer
    x = 350,995.74

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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.