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Finding the Fourth Proportional to 324,875.83, 448,148.65 and 188,894.75

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Solution

The fourth proportional to 324,875.83, 448,148.65 and 188,894.75 is: 260,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,875.83 : 448,148.65 = 188,894.75 : x
  2. Step 2: Convert to fraction form
    324,875.83/448,148.65 = 188,894.75/x
  3. Step 3: Cross multiply
    324,875.83x = 448,148.65 × 188,894.75
  4. Step 4: Simplify right side
    324,875.83x = 84,652,927,204.59
  5. Step 5: Solve for x
    x = 84,652,927,204.59/324,875.83
  6. Step 6: Final answer
    x = 260,570.10

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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.