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Finding the Fourth Proportional to 432,417.96, 596,408.40 and 372,089.70

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Solution

The fourth proportional to 432,417.96, 596,408.40 and 372,089.70 is: 513,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,417.96 : 596,408.40 = 372,089.70 : x
  2. Step 2: Convert to fraction form
    432,417.96/596,408.40 = 372,089.70/x
  3. Step 3: Cross multiply
    432,417.96x = 596,408.40 × 372,089.70
  4. Step 4: Simplify right side
    432,417.96x = 221,917,422,633.48
  5. Step 5: Solve for x
    x = 221,917,422,633.48/432,417.96
  6. Step 6: Final answer
    x = 513,201.22

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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.