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Finding the Fourth Proportional to 650,638.08, 897,880.43 and 364,158.16

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Solution

The fourth proportional to 650,638.08, 897,880.43 and 364,158.16 is: 502,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,638.08 : 897,880.43 = 364,158.16 : x
  2. Step 2: Convert to fraction form
    650,638.08/897,880.43 = 364,158.16/x
  3. Step 3: Cross multiply
    650,638.08x = 897,880.43 × 364,158.16
  4. Step 4: Simplify right side
    650,638.08x = 326,970,485,288.81
  5. Step 5: Solve for x
    x = 326,970,485,288.81/650,638.08
  6. Step 6: Final answer
    x = 502,538.19

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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.