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Finding the Fourth Proportional to 346,218.32, 519,327.48 and 83,562.32

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Solution

The fourth proportional to 346,218.32, 519,327.48 and 83,562.32 is: 125,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,218.32 : 519,327.48 = 83,562.32 : x
  2. Step 2: Convert to fraction form
    346,218.32/519,327.48 = 83,562.32/x
  3. Step 3: Cross multiply
    346,218.32x = 519,327.48 × 83,562.32
  4. Step 4: Simplify right side
    346,218.32x = 43,396,209,068.55
  5. Step 5: Solve for x
    x = 43,396,209,068.55/346,218.32
  6. Step 6: Final answer
    x = 125,343.48

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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.