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Finding the Fourth Proportional to 362,266.84, 499,918.51 and 217,154.60

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Solution

The fourth proportional to 362,266.84, 499,918.51 and 217,154.60 is: 299,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,266.84 : 499,918.51 = 217,154.60 : x
  2. Step 2: Convert to fraction form
    362,266.84/499,918.51 = 217,154.60/x
  3. Step 3: Cross multiply
    362,266.84x = 499,918.51 × 217,154.60
  4. Step 4: Simplify right side
    362,266.84x = 108,559,604,071.65
  5. Step 5: Solve for x
    x = 108,559,604,071.65/362,266.84
  6. Step 6: Final answer
    x = 299,667.52

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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.