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Finding the Fourth Proportional to 333,691.45, 460,534.65 and 188,503.35

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Solution

The fourth proportional to 333,691.45, 460,534.65 and 188,503.35 is: 260,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,691.45 : 460,534.65 = 188,503.35 : x
  2. Step 2: Convert to fraction form
    333,691.45/460,534.65 = 188,503.35/x
  3. Step 3: Cross multiply
    333,691.45x = 460,534.65 × 188,503.35
  4. Step 4: Simplify right side
    333,691.45x = 86,812,324,316.08
  5. Step 5: Solve for x
    x = 86,812,324,316.08/333,691.45
  6. Step 6: Final answer
    x = 260,157.47

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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.