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Finding the Fourth Proportional to 528,685.89, 793,059.39 and 149,574.88

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Solution

The fourth proportional to 528,685.89, 793,059.39 and 149,574.88 is: 224,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,685.89 : 793,059.39 = 149,574.88 : x
  2. Step 2: Convert to fraction form
    528,685.89/793,059.39 = 149,574.88/x
  3. Step 3: Cross multiply
    528,685.89x = 793,059.39 × 149,574.88
  4. Step 4: Simplify right side
    528,685.89x = 118,621,759,126.83
  5. Step 5: Solve for x
    x = 118,621,759,126.83/528,685.89
  6. Step 6: Final answer
    x = 224,370.96

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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.