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Finding the Fourth Proportional to 672,364.64, 927,867.48 and 370,558.64

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Solution

The fourth proportional to 672,364.64, 927,867.48 and 370,558.64 is: 511,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,364.64 : 927,867.48 = 370,558.64 : x
  2. Step 2: Convert to fraction form
    672,364.64/927,867.48 = 370,558.64/x
  3. Step 3: Cross multiply
    672,364.64x = 927,867.48 × 370,558.64
  4. Step 4: Simplify right side
    672,364.64x = 343,829,311,489.03
  5. Step 5: Solve for x
    x = 343,829,311,489.03/672,364.64
  6. Step 6: Final answer
    x = 511,373.28

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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.