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Finding the Fourth Proportional to 507,043.59, 700,194.30 and 326,069.79

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Solution

The fourth proportional to 507,043.59, 700,194.30 and 326,069.79 is: 450,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,043.59 : 700,194.30 = 326,069.79 : x
  2. Step 2: Convert to fraction form
    507,043.59/700,194.30 = 326,069.79/x
  3. Step 3: Cross multiply
    507,043.59x = 700,194.30 × 326,069.79
  4. Step 4: Simplify right side
    507,043.59x = 228,312,208,360.20
  5. Step 5: Solve for x
    x = 228,312,208,360.20/507,043.59
  6. Step 6: Final answer
    x = 450,281.22

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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.