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Finding the Fourth Proportional to 573,059.07, 859,618.01 and 146,598.57

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Solution

The fourth proportional to 573,059.07, 859,618.01 and 146,598.57 is: 219,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,059.07 : 859,618.01 = 146,598.57 : x
  2. Step 2: Convert to fraction form
    573,059.07/859,618.01 = 146,598.57/x
  3. Step 3: Cross multiply
    573,059.07x = 859,618.01 × 146,598.57
  4. Step 4: Simplify right side
    573,059.07x = 126,018,771,378.74
  5. Step 5: Solve for x
    x = 126,018,771,378.74/573,059.07
  6. Step 6: Final answer
    x = 219,905.38

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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.