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Finding the Fourth Proportional to 528,515.60, 794,328.60 and 460,086.80

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Solution

The fourth proportional to 528,515.60, 794,328.60 and 460,086.80 is: 691,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,515.60 : 794,328.60 = 460,086.80 : x
  2. Step 2: Convert to fraction form
    528,515.60/794,328.60 = 460,086.80/x
  3. Step 3: Cross multiply
    528,515.60x = 794,328.60 × 460,086.80
  4. Step 4: Simplify right side
    528,515.60x = 365,460,103,722.48
  5. Step 5: Solve for x
    x = 365,460,103,722.48/528,515.60
  6. Step 6: Final answer
    x = 691,484.04

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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.