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Finding the Fourth Proportional to 394,848.80, 592,127.40 and 195,102.80

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Solution

The fourth proportional to 394,848.80, 592,127.40 and 195,102.80 is: 292,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,848.80 : 592,127.40 = 195,102.80 : x
  2. Step 2: Convert to fraction form
    394,848.80/592,127.40 = 195,102.80/x
  3. Step 3: Cross multiply
    394,848.80x = 592,127.40 × 195,102.80
  4. Step 4: Simplify right side
    394,848.80x = 115,525,713,696.72
  5. Step 5: Solve for x
    x = 115,525,713,696.72/394,848.80
  6. Step 6: Final answer
    x = 292,582.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.