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Finding the Fourth Proportional to 350,709.50, 484,026.54 and 197,779.16

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Solution

The fourth proportional to 350,709.50, 484,026.54 and 197,779.16 is: 272,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,709.50 : 484,026.54 = 197,779.16 : x
  2. Step 2: Convert to fraction form
    350,709.50/484,026.54 = 197,779.16/x
  3. Step 3: Cross multiply
    350,709.50x = 484,026.54 × 197,779.16
  4. Step 4: Simplify right side
    350,709.50x = 95,730,362,498.91
  5. Step 5: Solve for x
    x = 95,730,362,498.91/350,709.50
  6. Step 6: Final answer
    x = 272,961.99

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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.