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Finding the Fourth Proportional to 832,898.60, 1,249,861.84 and 327,370.76

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Solution

The fourth proportional to 832,898.60, 1,249,861.84 and 327,370.76 is: 491,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,898.60 : 1,249,861.84 = 327,370.76 : x
  2. Step 2: Convert to fraction form
    832,898.60/1,249,861.84 = 327,370.76/x
  3. Step 3: Cross multiply
    832,898.60x = 1,249,861.84 × 327,370.76
  4. Step 4: Simplify right side
    832,898.60x = 409,168,220,455.80
  5. Step 5: Solve for x
    x = 409,168,220,455.80/832,898.60
  6. Step 6: Final answer
    x = 491,258.14

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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.