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Finding the Fourth Proportional to 438,393.55, 604,936.92 and 254,596.25

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Solution

The fourth proportional to 438,393.55, 604,936.92 and 254,596.25 is: 351,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,393.55 : 604,936.92 = 254,596.25 : x
  2. Step 2: Convert to fraction form
    438,393.55/604,936.92 = 254,596.25/x
  3. Step 3: Cross multiply
    438,393.55x = 604,936.92 × 254,596.25
  4. Step 4: Simplify right side
    438,393.55x = 154,014,671,318.55
  5. Step 5: Solve for x
    x = 154,014,671,318.55/438,393.55
  6. Step 6: Final answer
    x = 351,316.01

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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.