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Finding the Fourth Proportional to 429,003.59, 592,017.05 and 238,012.88

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Solution

The fourth proportional to 429,003.59, 592,017.05 and 238,012.88 is: 328,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,003.59 : 592,017.05 = 238,012.88 : x
  2. Step 2: Convert to fraction form
    429,003.59/592,017.05 = 238,012.88/x
  3. Step 3: Cross multiply
    429,003.59x = 592,017.05 × 238,012.88
  4. Step 4: Simplify right side
    429,003.59x = 140,907,678,929.45
  5. Step 5: Solve for x
    x = 140,907,678,929.45/429,003.59
  6. Step 6: Final answer
    x = 328,453.38

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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.