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Finding the Fourth Proportional to 672,133.60, 927,561.36 and 370,327.52

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Solution

The fourth proportional to 672,133.60, 927,561.36 and 370,327.52 is: 511,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,133.60 : 927,561.36 = 370,327.52 : x
  2. Step 2: Convert to fraction form
    672,133.60/927,561.36 = 370,327.52/x
  3. Step 3: Cross multiply
    672,133.60x = 927,561.36 × 370,327.52
  4. Step 4: Simplify right side
    672,133.60x = 343,501,498,096.63
  5. Step 5: Solve for x
    x = 343,501,498,096.63/672,133.60
  6. Step 6: Final answer
    x = 511,061.34

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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.