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Finding the Fourth Proportional to 624,148.80, 936,223.20 and 529,670.40

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Solution

The fourth proportional to 624,148.80, 936,223.20 and 529,670.40 is: 794,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,148.80 : 936,223.20 = 529,670.40 : x
  2. Step 2: Convert to fraction form
    624,148.80/936,223.20 = 529,670.40/x
  3. Step 3: Cross multiply
    624,148.80x = 936,223.20 × 529,670.40
  4. Step 4: Simplify right side
    624,148.80x = 495,889,716,833.28
  5. Step 5: Solve for x
    x = 495,889,716,833.28/624,148.80
  6. Step 6: Final answer
    x = 794,505.60

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Similar ratio
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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.