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Finding the Fourth Proportional to 533,237.40, 735,865.74 and 291,519.72

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Solution

The fourth proportional to 533,237.40, 735,865.74 and 291,519.72 is: 402,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,237.40 : 735,865.74 = 291,519.72 : x
  2. Step 2: Convert to fraction form
    533,237.40/735,865.74 = 291,519.72/x
  3. Step 3: Cross multiply
    533,237.40x = 735,865.74 × 291,519.72
  4. Step 4: Simplify right side
    533,237.40x = 214,519,374,482.39
  5. Step 5: Solve for x
    x = 214,519,374,482.39/533,237.40
  6. Step 6: Final answer
    x = 402,296.19

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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.