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Finding the Fourth Proportional to 575,949.92, 794,808.64 and 321,300.96

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Solution

The fourth proportional to 575,949.92, 794,808.64 and 321,300.96 is: 443,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,949.92 : 794,808.64 = 321,300.96 : x
  2. Step 2: Convert to fraction form
    575,949.92/794,808.64 = 321,300.96/x
  3. Step 3: Cross multiply
    575,949.92x = 794,808.64 × 321,300.96
  4. Step 4: Simplify right side
    575,949.92x = 255,372,779,048.29
  5. Step 5: Solve for x
    x = 255,372,779,048.29/575,949.92
  6. Step 6: Final answer
    x = 443,394.07

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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.