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Finding the Fourth Proportional to 671,980.16, 927,288.60 and 370,174.16

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Solution

The fourth proportional to 671,980.16, 927,288.60 and 370,174.16 is: 510,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,980.16 : 927,288.60 = 370,174.16 : x
  2. Step 2: Convert to fraction form
    671,980.16/927,288.60 = 370,174.16/x
  3. Step 3: Cross multiply
    671,980.16x = 927,288.60 × 370,174.16
  4. Step 4: Simplify right side
    671,980.16x = 343,258,278,582.58
  5. Step 5: Solve for x
    x = 343,258,278,582.58/671,980.16
  6. Step 6: Final answer
    x = 510,816.09

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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.