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Finding the Fourth Proportional to 623,466.33, 934,908.84 and 323,866.50

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Solution

The fourth proportional to 623,466.33, 934,908.84 and 323,866.50 is: 485,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,466.33 : 934,908.84 = 323,866.50 : x
  2. Step 2: Convert to fraction form
    623,466.33/934,908.84 = 323,866.50/x
  3. Step 3: Cross multiply
    623,466.33x = 934,908.84 × 323,866.50
  4. Step 4: Simplify right side
    623,466.33x = 302,785,653,829.86
  5. Step 5: Solve for x
    x = 302,785,653,829.86/623,466.33
  6. Step 6: Final answer
    x = 485,648.77

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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.