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Finding the Fourth Proportional to 707,594.45, 976,223.90 and 401,493.56

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Solution

The fourth proportional to 707,594.45, 976,223.90 and 401,493.56 is: 553,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,594.45 : 976,223.90 = 401,493.56 : x
  2. Step 2: Convert to fraction form
    707,594.45/976,223.90 = 401,493.56/x
  3. Step 3: Cross multiply
    707,594.45x = 976,223.90 × 401,493.56
  4. Step 4: Simplify right side
    707,594.45x = 391,947,605,090.70
  5. Step 5: Solve for x
    x = 391,947,605,090.70/707,594.45
  6. Step 6: Final answer
    x = 553,915.60

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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.