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Finding the Fourth Proportional to 533,008.40, 735,551.68 and 303,587.05

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Solution

The fourth proportional to 533,008.40, 735,551.68 and 303,587.05 is: 418,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,008.40 : 735,551.68 = 303,587.05 : x
  2. Step 2: Convert to fraction form
    533,008.40/735,551.68 = 303,587.05/x
  3. Step 3: Cross multiply
    533,008.40x = 735,551.68 × 303,587.05
  4. Step 4: Simplify right side
    533,008.40x = 223,303,964,653.74
  5. Step 5: Solve for x
    x = 223,303,964,653.74/533,008.40
  6. Step 6: Final answer
    x = 418,950.18

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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.