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Finding the Fourth Proportional to 675,919.64, 932,783.67 and 374,113.64

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Solution

The fourth proportional to 675,919.64, 932,783.67 and 374,113.64 is: 516,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,919.64 : 932,783.67 = 374,113.64 : x
  2. Step 2: Convert to fraction form
    675,919.64/932,783.67 = 374,113.64/x
  3. Step 3: Cross multiply
    675,919.64x = 932,783.67 × 374,113.64
  4. Step 4: Simplify right side
    675,919.64x = 348,967,094,116.26
  5. Step 5: Solve for x
    x = 348,967,094,116.26/675,919.64
  6. Step 6: Final answer
    x = 516,284.89

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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.