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Finding the Fourth Proportional to 372,912.30, 559,368.45 and 333,546.30

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Solution

The fourth proportional to 372,912.30, 559,368.45 and 333,546.30 is: 500,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,912.30 : 559,368.45 = 333,546.30 : x
  2. Step 2: Convert to fraction form
    372,912.30/559,368.45 = 333,546.30/x
  3. Step 3: Cross multiply
    372,912.30x = 559,368.45 × 333,546.30
  4. Step 4: Simplify right side
    372,912.30x = 186,575,276,834.24
  5. Step 5: Solve for x
    x = 186,575,276,834.24/372,912.30
  6. Step 6: Final answer
    x = 500,319.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.