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Finding the Fourth Proportional to 464,347, 639,931.17 and 362,210.68

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Solution

The fourth proportional to 464,347, 639,931.17 and 362,210.68 is: 499,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,347 : 639,931.17 = 362,210.68 : x
  2. Step 2: Convert to fraction form
    464,347/639,931.17 = 362,210.68/x
  3. Step 3: Cross multiply
    464,347x = 639,931.17 × 362,210.68
  4. Step 4: Simplify right side
    464,347x = 231,789,902,427.84
  5. Step 5: Solve for x
    x = 231,789,902,427.84/464,347
  6. Step 6: Final answer
    x = 499,173.90

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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.