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Finding the Fourth Proportional to 615,094.95, 848,831.56 and 343,162.90

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Solution

The fourth proportional to 615,094.95, 848,831.56 and 343,162.90 is: 473,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,094.95 : 848,831.56 = 343,162.90 : x
  2. Step 2: Convert to fraction form
    615,094.95/848,831.56 = 343,162.90/x
  3. Step 3: Cross multiply
    615,094.95x = 848,831.56 × 343,162.90
  4. Step 4: Simplify right side
    615,094.95x = 291,287,495,496.97
  5. Step 5: Solve for x
    x = 291,287,495,496.97/615,094.95
  6. Step 6: Final answer
    x = 473,565.09

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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.