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Finding the Fourth Proportional to 567,002.40, 849,337.20 and 389,709.60

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Solution

The fourth proportional to 567,002.40, 849,337.20 and 389,709.60 is: 583,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,002.40 : 849,337.20 = 389,709.60 : x
  2. Step 2: Convert to fraction form
    567,002.40/849,337.20 = 389,709.60/x
  3. Step 3: Cross multiply
    567,002.40x = 849,337.20 × 389,709.60
  4. Step 4: Simplify right side
    567,002.40x = 330,994,860,477.12
  5. Step 5: Solve for x
    x = 330,994,860,477.12/567,002.40
  6. Step 6: Final answer
    x = 583,762.72

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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.