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Finding the Fourth Proportional to 528,511.60, 794,322.60 and 460,082.80

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Solution

The fourth proportional to 528,511.60, 794,322.60 and 460,082.80 is: 691,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,511.60 : 794,322.60 = 460,082.80 : x
  2. Step 2: Convert to fraction form
    528,511.60/794,322.60 = 460,082.80/x
  3. Step 3: Cross multiply
    528,511.60x = 794,322.60 × 460,082.80
  4. Step 4: Simplify right side
    528,511.60x = 365,454,165,911.28
  5. Step 5: Solve for x
    x = 365,454,165,911.28/528,511.60
  6. Step 6: Final answer
    x = 691,478.04

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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.