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Finding the Fourth Proportional to 533,553.10, 736,308.98 and 291,830.49

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Solution

The fourth proportional to 533,553.10, 736,308.98 and 291,830.49 is: 402,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,553.10 : 736,308.98 = 291,830.49 : x
  2. Step 2: Convert to fraction form
    533,553.10/736,308.98 = 291,830.49/x
  3. Step 3: Cross multiply
    533,553.10x = 736,308.98 × 291,830.49
  4. Step 4: Simplify right side
    533,553.10x = 214,877,410,424.80
  5. Step 5: Solve for x
    x = 214,877,410,424.80/533,553.10
  6. Step 6: Final answer
    x = 402,729.19

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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.