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Finding the Fourth Proportional to 617,630.86, 925,822.59 and 297,312.31

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Solution

The fourth proportional to 617,630.86, 925,822.59 and 297,312.31 is: 445,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,630.86 : 925,822.59 = 297,312.31 : x
  2. Step 2: Convert to fraction form
    617,630.86/925,822.59 = 297,312.31/x
  3. Step 3: Cross multiply
    617,630.86x = 925,822.59 × 297,312.31
  4. Step 4: Simplify right side
    617,630.86x = 275,258,452,883.08
  5. Step 5: Solve for x
    x = 275,258,452,883.08/617,630.86
  6. Step 6: Final answer
    x = 445,668.23

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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.