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Finding the Fourth Proportional to 649,622.22, 896,482.26 and 363,154.38

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Solution

The fourth proportional to 649,622.22, 896,482.26 and 363,154.38 is: 501,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,622.22 : 896,482.26 = 363,154.38 : x
  2. Step 2: Convert to fraction form
    649,622.22/896,482.26 = 363,154.38/x
  3. Step 3: Cross multiply
    649,622.22x = 896,482.26 × 363,154.38
  4. Step 4: Simplify right side
    649,622.22x = 325,561,459,311.30
  5. Step 5: Solve for x
    x = 325,561,459,311.30/649,622.22
  6. Step 6: Final answer
    x = 501,155.05

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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.