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Finding the Fourth Proportional to 649,154.81, 895,817.14 and 362,677.05

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Solution

The fourth proportional to 649,154.81, 895,817.14 and 362,677.05 is: 500,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,154.81 : 895,817.14 = 362,677.05 : x
  2. Step 2: Convert to fraction form
    649,154.81/895,817.14 = 362,677.05/x
  3. Step 3: Cross multiply
    649,154.81x = 895,817.14 × 362,677.05
  4. Step 4: Simplify right side
    649,154.81x = 324,892,316,767.94
  5. Step 5: Solve for x
    x = 324,892,316,767.94/649,154.81
  6. Step 6: Final answer
    x = 500,485.11

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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.