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Finding the Fourth Proportional to 623.56, 930.93 and 526.36

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Solution

The fourth proportional to 623.56, 930.93 and 526.36 is: 785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.56 : 930.93 = 526.36 : x
  2. Step 2: Convert to fraction form
    623.56/930.93 = 526.36/x
  3. Step 3: Cross multiply
    623.56x = 930.93 × 526.36
  4. Step 4: Simplify right side
    623.56x = 490,004.31
  5. Step 5: Solve for x
    x = 490,004.31/623.56
  6. Step 6: Final answer
    x = 785.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.