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Finding the Fourth Proportional to 422,075.04, 582,549.69 and 286,152.69

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Solution

The fourth proportional to 422,075.04, 582,549.69 and 286,152.69 is: 394,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,075.04 : 582,549.69 = 286,152.69 : x
  2. Step 2: Convert to fraction form
    422,075.04/582,549.69 = 286,152.69/x
  3. Step 3: Cross multiply
    422,075.04x = 582,549.69 × 286,152.69
  4. Step 4: Simplify right side
    422,075.04x = 166,698,160,852.17
  5. Step 5: Solve for x
    x = 166,698,160,852.17/422,075.04
  6. Step 6: Final answer
    x = 394,949.11

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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.