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Finding the Fourth Proportional to 507,043.10, 700,193.62 and 326,069.30

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Solution

The fourth proportional to 507,043.10, 700,193.62 and 326,069.30 is: 450,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,043.10 : 700,193.62 = 326,069.30 : x
  2. Step 2: Convert to fraction form
    507,043.10/700,193.62 = 326,069.30/x
  3. Step 3: Cross multiply
    507,043.10x = 700,193.62 × 326,069.30
  4. Step 4: Simplify right side
    507,043.10x = 228,311,643,537.87
  5. Step 5: Solve for x
    x = 228,311,643,537.87/507,043.10
  6. Step 6: Final answer
    x = 450,280.55

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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.