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Finding the Fourth Proportional to 533,048.85, 735,605.67 and 291,331.35

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Solution

The fourth proportional to 533,048.85, 735,605.67 and 291,331.35 is: 402,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,048.85 : 735,605.67 = 291,331.35 : x
  2. Step 2: Convert to fraction form
    533,048.85/735,605.67 = 291,331.35/x
  3. Step 3: Cross multiply
    533,048.85x = 735,605.67 × 291,331.35
  4. Step 4: Simplify right side
    533,048.85x = 214,304,992,908.76
  5. Step 5: Solve for x
    x = 214,304,992,908.76/533,048.85
  6. Step 6: Final answer
    x = 402,036.31

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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.