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Finding the Fourth Proportional to 225,339.14, 310,608.60 and 152,719.40

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Solution

The fourth proportional to 225,339.14, 310,608.60 and 152,719.40 is: 210,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,339.14 : 310,608.60 = 152,719.40 : x
  2. Step 2: Convert to fraction form
    225,339.14/310,608.60 = 152,719.40/x
  3. Step 3: Cross multiply
    225,339.14x = 310,608.60 × 152,719.40
  4. Step 4: Simplify right side
    225,339.14x = 47,435,959,026.84
  5. Step 5: Solve for x
    x = 47,435,959,026.84/225,339.14
  6. Step 6: Final answer
    x = 210,509.19

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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.