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Finding the Fourth Proportional to 662,832, 992,395.44 and 358,134.72

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Solution

The fourth proportional to 662,832, 992,395.44 and 358,134.72 is: 536,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,832 : 992,395.44 = 358,134.72 : x
  2. Step 2: Convert to fraction form
    662,832/992,395.44 = 358,134.72/x
  3. Step 3: Cross multiply
    662,832x = 992,395.44 × 358,134.72
  4. Step 4: Simplify right side
    662,832x = 355,411,263,033.68
  5. Step 5: Solve for x
    x = 355,411,263,033.68/662,832
  6. Step 6: Final answer
    x = 536,201.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.