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Finding the Fourth Proportional to 573,141.80, 803,579.50 and 573,141.80

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Solution

The fourth proportional to 573,141.80, 803,579.50 and 573,141.80 is: 803,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,141.80 : 803,579.50 = 573,141.80 : x
  2. Step 2: Convert to fraction form
    573,141.80/803,579.50 = 573,141.80/x
  3. Step 3: Cross multiply
    573,141.80x = 803,579.50 × 573,141.80
  4. Step 4: Simplify right side
    573,141.80x = 460,565,001,073.10
  5. Step 5: Solve for x
    x = 460,565,001,073.10/573,141.80
  6. Step 6: Final answer
    x = 803,579.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.