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Finding the Fourth Proportional to 615,095.51, 848,832.34 and 343,163.46

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Solution

The fourth proportional to 615,095.51, 848,832.34 and 343,163.46 is: 473,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,095.51 : 848,832.34 = 343,163.46 : x
  2. Step 2: Convert to fraction form
    615,095.51/848,832.34 = 343,163.46/x
  3. Step 3: Cross multiply
    615,095.51x = 848,832.34 × 343,163.46
  4. Step 4: Simplify right side
    615,095.51x = 291,288,241,038.48
  5. Step 5: Solve for x
    x = 291,288,241,038.48/615,095.51
  6. Step 6: Final answer
    x = 473,565.87

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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.