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Finding the Fourth Proportional to 295,130.64, 407,239.20 and 167,792.16

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Solution

The fourth proportional to 295,130.64, 407,239.20 and 167,792.16 is: 231,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,130.64 : 407,239.20 = 167,792.16 : x
  2. Step 2: Convert to fraction form
    295,130.64/407,239.20 = 167,792.16/x
  3. Step 3: Cross multiply
    295,130.64x = 407,239.20 × 167,792.16
  4. Step 4: Simplify right side
    295,130.64x = 68,331,545,004.67
  5. Step 5: Solve for x
    x = 68,331,545,004.67/295,130.64
  6. Step 6: Final answer
    x = 231,529.82

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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.