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Finding the Fourth Proportional to 573,455.53, 859,999.42 and 189,118.09

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Solution

The fourth proportional to 573,455.53, 859,999.42 and 189,118.09 is: 283,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,455.53 : 859,999.42 = 189,118.09 : x
  2. Step 2: Convert to fraction form
    573,455.53/859,999.42 = 189,118.09/x
  3. Step 3: Cross multiply
    573,455.53x = 859,999.42 × 189,118.09
  4. Step 4: Simplify right side
    573,455.53x = 162,641,447,711.51
  5. Step 5: Solve for x
    x = 162,641,447,711.51/573,455.53
  6. Step 6: Final answer
    x = 283,616.50

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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.