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Finding the Fourth Proportional to 583,913.21, 875,106.79 and 299,362.64

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Solution

The fourth proportional to 583,913.21, 875,106.79 and 299,362.64 is: 448,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,913.21 : 875,106.79 = 299,362.64 : x
  2. Step 2: Convert to fraction form
    583,913.21/875,106.79 = 299,362.64/x
  3. Step 3: Cross multiply
    583,913.21x = 875,106.79 × 299,362.64
  4. Step 4: Simplify right side
    583,913.21x = 261,974,273,812.39
  5. Step 5: Solve for x
    x = 261,974,273,812.39/583,913.21
  6. Step 6: Final answer
    x = 448,652.76

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Double scale
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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.