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Finding the Fourth Proportional to 533,409.45, 736,105.02 and 291,692.19

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Solution

The fourth proportional to 533,409.45, 736,105.02 and 291,692.19 is: 402,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,409.45 : 736,105.02 = 291,692.19 : x
  2. Step 2: Convert to fraction form
    533,409.45/736,105.02 = 291,692.19/x
  3. Step 3: Cross multiply
    533,409.45x = 736,105.02 × 291,692.19
  4. Step 4: Simplify right side
    533,409.45x = 214,716,082,879.75
  5. Step 5: Solve for x
    x = 214,716,082,879.75/533,409.45
  6. Step 6: Final answer
    x = 402,535.20

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Double scale
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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.