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Finding the Fourth Proportional to 576,409.80, 866,505.96 and 534,792.36

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Solution

The fourth proportional to 576,409.80, 866,505.96 and 534,792.36 is: 803,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,409.80 : 866,505.96 = 534,792.36 : x
  2. Step 2: Convert to fraction form
    576,409.80/866,505.96 = 534,792.36/x
  3. Step 3: Cross multiply
    576,409.80x = 866,505.96 × 534,792.36
  4. Step 4: Simplify right side
    576,409.80x = 463,400,767,302.47
  5. Step 5: Solve for x
    x = 463,400,767,302.47/576,409.80
  6. Step 6: Final answer
    x = 803,943.25

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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.