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Finding the Fourth Proportional to 295,143.02, 407,295.47 and 167,818.61

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Solution

The fourth proportional to 295,143.02, 407,295.47 and 167,818.61 is: 231,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,143.02 : 407,295.47 = 167,818.61 : x
  2. Step 2: Convert to fraction form
    295,143.02/407,295.47 = 167,818.61/x
  3. Step 3: Cross multiply
    295,143.02x = 407,295.47 × 167,818.61
  4. Step 4: Simplify right side
    295,143.02x = 68,351,757,598.22
  5. Step 5: Solve for x
    x = 68,351,757,598.22/295,143.02
  6. Step 6: Final answer
    x = 231,588.60

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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.