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Finding the Fourth Proportional to 573,491.32, 859,699.64 and 194,146.72

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Solution

The fourth proportional to 573,491.32, 859,699.64 and 194,146.72 is: 291,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,491.32 : 859,699.64 = 194,146.72 : x
  2. Step 2: Convert to fraction form
    573,491.32/859,699.64 = 194,146.72/x
  3. Step 3: Cross multiply
    573,491.32x = 859,699.64 × 194,146.72
  4. Step 4: Simplify right side
    573,491.32x = 166,907,865,291.18
  5. Step 5: Solve for x
    x = 166,907,865,291.18/573,491.32
  6. Step 6: Final answer
    x = 291,038.17

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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.