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Finding the Fourth Proportional to 522,302.78, 783,566.96 and 162,466.78

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Solution

The fourth proportional to 522,302.78, 783,566.96 and 162,466.78 is: 243,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,302.78 : 783,566.96 = 162,466.78 : x
  2. Step 2: Convert to fraction form
    522,302.78/783,566.96 = 162,466.78/x
  3. Step 3: Cross multiply
    522,302.78x = 783,566.96 × 162,466.78
  4. Step 4: Simplify right side
    522,302.78x = 127,303,596,175.42
  5. Step 5: Solve for x
    x = 127,303,596,175.42/522,302.78
  6. Step 6: Final answer
    x = 243,735.25

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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.