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Finding the Fourth Proportional to 452,523.18, 624,341.52 and 261,466.86

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Solution

The fourth proportional to 452,523.18, 624,341.52 and 261,466.86 is: 360,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,523.18 : 624,341.52 = 261,466.86 : x
  2. Step 2: Convert to fraction form
    452,523.18/624,341.52 = 261,466.86/x
  3. Step 3: Cross multiply
    452,523.18x = 624,341.52 × 261,466.86
  4. Step 4: Simplify right side
    452,523.18x = 163,244,616,802.03
  5. Step 5: Solve for x
    x = 163,244,616,802.03/452,523.18
  6. Step 6: Final answer
    x = 360,743.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.