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Finding the Fourth Proportional to 495,369.29, 683,818.88 and 334,442.31

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Solution

The fourth proportional to 495,369.29, 683,818.88 and 334,442.31 is: 461,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,369.29 : 683,818.88 = 334,442.31 : x
  2. Step 2: Convert to fraction form
    495,369.29/683,818.88 = 334,442.31/x
  3. Step 3: Cross multiply
    495,369.29x = 683,818.88 × 334,442.31
  4. Step 4: Simplify right side
    495,369.29x = 228,697,964,176.60
  5. Step 5: Solve for x
    x = 228,697,964,176.60/495,369.29
  6. Step 6: Final answer
    x = 461,671.67

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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.