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Finding the Fourth Proportional to 692,808, 955,462.32 and 450,867.84

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Solution

The fourth proportional to 692,808, 955,462.32 and 450,867.84 is: 621,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,808 : 955,462.32 = 450,867.84 : x
  2. Step 2: Convert to fraction form
    692,808/955,462.32 = 450,867.84/x
  3. Step 3: Cross multiply
    692,808x = 955,462.32 × 450,867.84
  4. Step 4: Simplify right side
    692,808x = 430,787,232,419.79
  5. Step 5: Solve for x
    x = 430,787,232,419.79/692,808
  6. Step 6: Final answer
    x = 621,798.87

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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.