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Finding the Fourth Proportional to 533,348.98, 735,961.32 and 315,564.33

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Solution

The fourth proportional to 533,348.98, 735,961.32 and 315,564.33 is: 435,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,348.98 : 735,961.32 = 315,564.33 : x
  2. Step 2: Convert to fraction form
    533,348.98/735,961.32 = 315,564.33/x
  3. Step 3: Cross multiply
    533,348.98x = 735,961.32 × 315,564.33
  4. Step 4: Simplify right side
    533,348.98x = 232,243,140,851.72
  5. Step 5: Solve for x
    x = 232,243,140,851.72/533,348.98
  6. Step 6: Final answer
    x = 435,443.11

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1.5x scale

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.