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Finding the Fourth Proportional to 292,908.54, 439,362.84 and 105,876.30

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Solution

The fourth proportional to 292,908.54, 439,362.84 and 105,876.30 is: 158,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,908.54 : 439,362.84 = 105,876.30 : x
  2. Step 2: Convert to fraction form
    292,908.54/439,362.84 = 105,876.30/x
  3. Step 3: Cross multiply
    292,908.54x = 439,362.84 × 105,876.30
  4. Step 4: Simplify right side
    292,908.54x = 46,518,111,856.69
  5. Step 5: Solve for x
    x = 46,518,111,856.69/292,908.54
  6. Step 6: Final answer
    x = 158,814.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.