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Finding the Fourth Proportional to 432,365.56, 596,364.06 and 396,673.72

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Solution

The fourth proportional to 432,365.56, 596,364.06 and 396,673.72 is: 547,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,365.56 : 596,364.06 = 396,673.72 : x
  2. Step 2: Convert to fraction form
    432,365.56/596,364.06 = 396,673.72/x
  3. Step 3: Cross multiply
    432,365.56x = 596,364.06 × 396,673.72
  4. Step 4: Simplify right side
    432,365.56x = 236,561,950,154.50
  5. Step 5: Solve for x
    x = 236,561,950,154.50/432,365.56
  6. Step 6: Final answer
    x = 547,134.12

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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.