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Finding the Fourth Proportional to 353,779.92, 488,418.76 and 233,271.76

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Solution

The fourth proportional to 353,779.92, 488,418.76 and 233,271.76 is: 322,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,779.92 : 488,418.76 = 233,271.76 : x
  2. Step 2: Convert to fraction form
    353,779.92/488,418.76 = 233,271.76/x
  3. Step 3: Cross multiply
    353,779.92x = 488,418.76 × 233,271.76
  4. Step 4: Simplify right side
    353,779.92x = 113,934,303,762.22
  5. Step 5: Solve for x
    x = 113,934,303,762.22/353,779.92
  6. Step 6: Final answer
    x = 322,048.53

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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.