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Finding the Fourth Proportional to 584,861.10, 878,328.45 and 452,064.30

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Solution

The fourth proportional to 584,861.10, 878,328.45 and 452,064.30 is: 678,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,861.10 : 878,328.45 = 452,064.30 : x
  2. Step 2: Convert to fraction form
    584,861.10/878,328.45 = 452,064.30/x
  3. Step 3: Cross multiply
    584,861.10x = 878,328.45 × 452,064.30
  4. Step 4: Simplify right side
    584,861.10x = 397,060,935,919.34
  5. Step 5: Solve for x
    x = 397,060,935,919.34/584,861.10
  6. Step 6: Final answer
    x = 678,897.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.