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Finding the Fourth Proportional to 374,210.96, 516,957.54 and 323,822.48

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Solution

The fourth proportional to 374,210.96, 516,957.54 and 323,822.48 is: 447,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,210.96 : 516,957.54 = 323,822.48 : x
  2. Step 2: Convert to fraction form
    374,210.96/516,957.54 = 323,822.48/x
  3. Step 3: Cross multiply
    374,210.96x = 516,957.54 × 323,822.48
  4. Step 4: Simplify right side
    374,210.96x = 167,402,472,657.50
  5. Step 5: Solve for x
    x = 167,402,472,657.50/374,210.96
  6. Step 6: Final answer
    x = 447,347.86

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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.