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Finding the Fourth Proportional to 286,252.40, 429,378.60 and 233,108.30

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Solution

The fourth proportional to 286,252.40, 429,378.60 and 233,108.30 is: 349,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,252.40 : 429,378.60 = 233,108.30 : x
  2. Step 2: Convert to fraction form
    286,252.40/429,378.60 = 233,108.30/x
  3. Step 3: Cross multiply
    286,252.40x = 429,378.60 × 233,108.30
  4. Step 4: Simplify right side
    286,252.40x = 100,091,715,502.38
  5. Step 5: Solve for x
    x = 100,091,715,502.38/286,252.40
  6. Step 6: Final answer
    x = 349,662.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.