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Finding the Fourth Proportional to 352,889.64, 529,036.87 and 153,059.50

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Solution

The fourth proportional to 352,889.64, 529,036.87 and 153,059.50 is: 229,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,889.64 : 529,036.87 = 153,059.50 : x
  2. Step 2: Convert to fraction form
    352,889.64/529,036.87 = 153,059.50/x
  3. Step 3: Cross multiply
    352,889.64x = 529,036.87 × 153,059.50
  4. Step 4: Simplify right side
    352,889.64x = 80,974,118,803.77
  5. Step 5: Solve for x
    x = 80,974,118,803.77/352,889.64
  6. Step 6: Final answer
    x = 229,460.18

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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.