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Finding the Fourth Proportional to 702,521.82, 969,623.19 and 476,240.22

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Solution

The fourth proportional to 702,521.82, 969,623.19 and 476,240.22 is: 657,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,521.82 : 969,623.19 = 476,240.22 : x
  2. Step 2: Convert to fraction form
    702,521.82/969,623.19 = 476,240.22/x
  3. Step 3: Cross multiply
    702,521.82x = 969,623.19 × 476,240.22
  4. Step 4: Simplify right side
    702,521.82x = 461,773,561,322.70
  5. Step 5: Solve for x
    x = 461,773,561,322.70/702,521.82
  6. Step 6: Final answer
    x = 657,308.50

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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.