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Finding the Fourth Proportional to 673,956.64, 930,064.44 and 372,150.64

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Solution

The fourth proportional to 673,956.64, 930,064.44 and 372,150.64 is: 513,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,956.64 : 930,064.44 = 372,150.64 : x
  2. Step 2: Convert to fraction form
    673,956.64/930,064.44 = 372,150.64/x
  3. Step 3: Cross multiply
    673,956.64x = 930,064.44 × 372,150.64
  4. Step 4: Simplify right side
    673,956.64x = 346,124,076,587.24
  5. Step 5: Solve for x
    x = 346,124,076,587.24/673,956.64
  6. Step 6: Final answer
    x = 513,570.24

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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.