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Finding the Fourth Proportional to 469,557.87, 702,326.70 and 435,522.66

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Solution

The fourth proportional to 469,557.87, 702,326.70 and 435,522.66 is: 651,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,557.87 : 702,326.70 = 435,522.66 : x
  2. Step 2: Convert to fraction form
    469,557.87/702,326.70 = 435,522.66/x
  3. Step 3: Cross multiply
    469,557.87x = 702,326.70 × 435,522.66
  4. Step 4: Simplify right side
    469,557.87x = 305,879,192,573.02
  5. Step 5: Solve for x
    x = 305,879,192,573.02/469,557.87
  6. Step 6: Final answer
    x = 651,419.58

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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.