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Finding the Fourth Proportional to 429,544.86, 592,818.90 and 245,800.40

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Solution

The fourth proportional to 429,544.86, 592,818.90 and 245,800.40 is: 339,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,544.86 : 592,818.90 = 245,800.40 : x
  2. Step 2: Convert to fraction form
    429,544.86/592,818.90 = 245,800.40/x
  3. Step 3: Cross multiply
    429,544.86x = 592,818.90 × 245,800.40
  4. Step 4: Simplify right side
    429,544.86x = 145,715,122,747.56
  5. Step 5: Solve for x
    x = 145,715,122,747.56/429,544.86
  6. Step 6: Final answer
    x = 339,231.44

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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.