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Finding the Fourth Proportional to 633,515.28, 873,848.34 and 415,738.08

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Solution

The fourth proportional to 633,515.28, 873,848.34 and 415,738.08 is: 573,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,515.28 : 873,848.34 = 415,738.08 : x
  2. Step 2: Convert to fraction form
    633,515.28/873,848.34 = 415,738.08/x
  3. Step 3: Cross multiply
    633,515.28x = 873,848.34 × 415,738.08
  4. Step 4: Simplify right side
    633,515.28x = 363,292,031,082.79
  5. Step 5: Solve for x
    x = 363,292,031,082.79/633,515.28
  6. Step 6: Final answer
    x = 573,454.25

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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.