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Finding the Fourth Proportional to 333,390.18, 460,078.74 and 190,146.54

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Solution

The fourth proportional to 333,390.18, 460,078.74 and 190,146.54 is: 262,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,390.18 : 460,078.74 = 190,146.54 : x
  2. Step 2: Convert to fraction form
    333,390.18/460,078.74 = 190,146.54/x
  3. Step 3: Cross multiply
    333,390.18x = 460,078.74 × 190,146.54
  4. Step 4: Simplify right side
    333,390.18x = 87,482,380,538.56
  5. Step 5: Solve for x
    x = 87,482,380,538.56/333,390.18
  6. Step 6: Final answer
    x = 262,402.39

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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.