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Finding the Fourth Proportional to 968,672.84, 1,452,994.64 and 435,817.58

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Solution

The fourth proportional to 968,672.84, 1,452,994.64 and 435,817.58 is: 653,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,672.84 : 1,452,994.64 = 435,817.58 : x
  2. Step 2: Convert to fraction form
    968,672.84/1,452,994.64 = 435,817.58/x
  3. Step 3: Cross multiply
    968,672.84x = 1,452,994.64 × 435,817.58
  4. Step 4: Simplify right side
    968,672.84x = 633,240,607,757.77
  5. Step 5: Solve for x
    x = 633,240,607,757.77/968,672.84
  6. Step 6: Final answer
    x = 653,719.79

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1.5x scale

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.