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Finding the Fourth Proportional to 586,157.63, 808,897.52 and 331,503.35

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Solution

The fourth proportional to 586,157.63, 808,897.52 and 331,503.35 is: 457,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,157.63 : 808,897.52 = 331,503.35 : x
  2. Step 2: Convert to fraction form
    586,157.63/808,897.52 = 331,503.35/x
  3. Step 3: Cross multiply
    586,157.63x = 808,897.52 × 331,503.35
  4. Step 4: Simplify right side
    586,157.63x = 268,152,234,470.96
  5. Step 5: Solve for x
    x = 268,152,234,470.96/586,157.63
  6. Step 6: Final answer
    x = 457,474.62

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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.