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Finding the Fourth Proportional to 346,488.25, 519,732.40 and 83,832.25

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Solution

The fourth proportional to 346,488.25, 519,732.40 and 83,832.25 is: 125,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,488.25 : 519,732.40 = 83,832.25 : x
  2. Step 2: Convert to fraction form
    346,488.25/519,732.40 = 83,832.25/x
  3. Step 3: Cross multiply
    346,488.25x = 519,732.40 × 83,832.25
  4. Step 4: Simplify right side
    346,488.25x = 43,570,336,489.90
  5. Step 5: Solve for x
    x = 43,570,336,489.90/346,488.25
  6. Step 6: Final answer
    x = 125,748.38

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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.