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Finding the Fourth Proportional to 502,333.16, 692,818.85 and 330,427.67

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Solution

The fourth proportional to 502,333.16, 692,818.85 and 330,427.67 is: 455,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,333.16 : 692,818.85 = 330,427.67 : x
  2. Step 2: Convert to fraction form
    502,333.16/692,818.85 = 330,427.67/x
  3. Step 3: Cross multiply
    502,333.16x = 692,818.85 × 330,427.67
  4. Step 4: Simplify right side
    502,333.16x = 228,926,516,685.44
  5. Step 5: Solve for x
    x = 228,926,516,685.44/502,333.16
  6. Step 6: Final answer
    x = 455,726.47

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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.