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Finding the Fourth Proportional to 535,644.48, 739,187.34 and 293,931.10

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Solution

The fourth proportional to 535,644.48, 739,187.34 and 293,931.10 is: 405,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,644.48 : 739,187.34 = 293,931.10 : x
  2. Step 2: Convert to fraction form
    535,644.48/739,187.34 = 293,931.10/x
  3. Step 3: Cross multiply
    535,644.48x = 739,187.34 × 293,931.10
  4. Step 4: Simplify right side
    535,644.48x = 217,270,144,256.34
  5. Step 5: Solve for x
    x = 217,270,144,256.34/535,644.48
  6. Step 6: Final answer
    x = 405,623.79

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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.