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Finding the Fourth Proportional to 403,614.42, 556,987.86 and 233,946.96

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Solution

The fourth proportional to 403,614.42, 556,987.86 and 233,946.96 is: 322,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,614.42 : 556,987.86 = 233,946.96 : x
  2. Step 2: Convert to fraction form
    403,614.42/556,987.86 = 233,946.96/x
  3. Step 3: Cross multiply
    403,614.42x = 556,987.86 × 233,946.96
  4. Step 4: Simplify right side
    403,614.42x = 130,305,616,603.91
  5. Step 5: Solve for x
    x = 130,305,616,603.91/403,614.42
  6. Step 6: Final answer
    x = 322,846.78

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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.