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Finding the Fourth Proportional to 702,521.32, 969,622.50 and 476,239.72

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Solution

The fourth proportional to 702,521.32, 969,622.50 and 476,239.72 is: 657,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,521.32 : 969,622.50 = 476,239.72 : x
  2. Step 2: Convert to fraction form
    702,521.32/969,622.50 = 476,239.72/x
  3. Step 3: Cross multiply
    702,521.32x = 969,622.50 × 476,239.72
  4. Step 4: Simplify right side
    702,521.32x = 461,772,747,905.70
  5. Step 5: Solve for x
    x = 461,772,747,905.70/702,521.32
  6. Step 6: Final answer
    x = 657,307.81

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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.