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Finding the Fourth Proportional to 615,519.60, 923,279.40 and 194,828.40

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Solution

The fourth proportional to 615,519.60, 923,279.40 and 194,828.40 is: 292,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,519.60 : 923,279.40 = 194,828.40 : x
  2. Step 2: Convert to fraction form
    615,519.60/923,279.40 = 194,828.40/x
  3. Step 3: Cross multiply
    615,519.60x = 923,279.40 × 194,828.40
  4. Step 4: Simplify right side
    615,519.60x = 179,881,048,254.96
  5. Step 5: Solve for x
    x = 179,881,048,254.96/615,519.60
  6. Step 6: Final answer
    x = 292,242.60

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Similar ratio
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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.