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Finding the Fourth Proportional to 347,119.02, 520,139.95 and 240,710.53

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Solution

The fourth proportional to 347,119.02, 520,139.95 and 240,710.53 is: 360,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,119.02 : 520,139.95 = 240,710.53 : x
  2. Step 2: Convert to fraction form
    347,119.02/520,139.95 = 240,710.53/x
  3. Step 3: Cross multiply
    347,119.02x = 520,139.95 × 240,710.53
  4. Step 4: Simplify right side
    347,119.02x = 125,203,163,038.67
  5. Step 5: Solve for x
    x = 125,203,163,038.67/347,119.02
  6. Step 6: Final answer
    x = 360,692.32

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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.