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Finding the Fourth Proportional to 595,429.80, 891,762.30 and 581,605.80

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Solution

The fourth proportional to 595,429.80, 891,762.30 and 581,605.80 is: 871,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,429.80 : 891,762.30 = 581,605.80 : x
  2. Step 2: Convert to fraction form
    595,429.80/891,762.30 = 581,605.80/x
  3. Step 3: Cross multiply
    595,429.80x = 891,762.30 × 581,605.80
  4. Step 4: Simplify right side
    595,429.80x = 518,654,125,901.34
  5. Step 5: Solve for x
    x = 518,654,125,901.34/595,429.80
  6. Step 6: Final answer
    x = 871,058.39

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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.