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Finding the Fourth Proportional to 346,219.32, 519,328.98 and 83,563.32

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Solution

The fourth proportional to 346,219.32, 519,328.98 and 83,563.32 is: 125,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,219.32 : 519,328.98 = 83,563.32 : x
  2. Step 2: Convert to fraction form
    346,219.32/519,328.98 = 83,563.32/x
  3. Step 3: Cross multiply
    346,219.32x = 519,328.98 × 83,563.32
  4. Step 4: Simplify right side
    346,219.32x = 43,396,853,741.01
  5. Step 5: Solve for x
    x = 43,396,853,741.01/346,219.32
  6. Step 6: Final answer
    x = 125,344.98

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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.