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Finding the Fourth Proportional to 532,784.13, 735,276.03 and 303,361.45

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Solution

The fourth proportional to 532,784.13, 735,276.03 and 303,361.45 is: 418,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,784.13 : 735,276.03 = 303,361.45 : x
  2. Step 2: Convert to fraction form
    532,784.13/735,276.03 = 303,361.45/x
  3. Step 3: Cross multiply
    532,784.13x = 735,276.03 × 303,361.45
  4. Step 4: Simplify right side
    532,784.13x = 223,054,402,611.04
  5. Step 5: Solve for x
    x = 223,054,402,611.04/532,784.13
  6. Step 6: Final answer
    x = 418,658.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.