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Finding the Fourth Proportional to 403,575.78, 556,934.55 and 233,908.32

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Solution

The fourth proportional to 403,575.78, 556,934.55 and 233,908.32 is: 322,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,575.78 : 556,934.55 = 233,908.32 : x
  2. Step 2: Convert to fraction form
    403,575.78/556,934.55 = 233,908.32/x
  3. Step 3: Cross multiply
    403,575.78x = 556,934.55 × 233,908.32
  4. Step 4: Simplify right side
    403,575.78x = 130,271,624,940.46
  5. Step 5: Solve for x
    x = 130,271,624,940.46/403,575.78
  6. Step 6: Final answer
    x = 322,793.47

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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.