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Finding the Fourth Proportional to 654,769.68, 903,575.64 and 364,376.34

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Solution

The fourth proportional to 654,769.68, 903,575.64 and 364,376.34 is: 502,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,769.68 : 903,575.64 = 364,376.34 : x
  2. Step 2: Convert to fraction form
    654,769.68/903,575.64 = 364,376.34/x
  3. Step 3: Cross multiply
    654,769.68x = 903,575.64 × 364,376.34
  4. Step 4: Simplify right side
    654,769.68x = 329,241,584,616.36
  5. Step 5: Solve for x
    x = 329,241,584,616.36/654,769.68
  6. Step 6: Final answer
    x = 502,835.72

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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.