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Finding the Fourth Proportional to 996,775, 1,495,148.40 and 463,998.04

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Solution

The fourth proportional to 996,775, 1,495,148.40 and 463,998.04 is: 695,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,775 : 1,495,148.40 = 463,998.04 : x
  2. Step 2: Convert to fraction form
    996,775/1,495,148.40 = 463,998.04/x
  3. Step 3: Cross multiply
    996,775x = 1,495,148.40 × 463,998.04
  4. Step 4: Simplify right side
    996,775x = 693,745,927,109.14
  5. Step 5: Solve for x
    x = 693,745,927,109.14/996,775
  6. Step 6: Final answer
    x = 695,990.50

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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.