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Finding the Fourth Proportional to 895,409.64, 1,343,581.02 and 396,657

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Solution

The fourth proportional to 895,409.64, 1,343,581.02 and 396,657 is: 595,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,409.64 : 1,343,581.02 = 396,657 : x
  2. Step 2: Convert to fraction form
    895,409.64/1,343,581.02 = 396,657/x
  3. Step 3: Cross multiply
    895,409.64x = 1,343,581.02 × 396,657
  4. Step 4: Simplify right side
    895,409.64x = 532,940,816,650.14
  5. Step 5: Solve for x
    x = 532,940,816,650.14/895,409.64
  6. Step 6: Final answer
    x = 595,192.18

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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.