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Finding the Fourth Proportional to 335,065.20, 502,597.80 and 193,347.60

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Solution

The fourth proportional to 335,065.20, 502,597.80 and 193,347.60 is: 290,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,065.20 : 502,597.80 = 193,347.60 : x
  2. Step 2: Convert to fraction form
    335,065.20/502,597.80 = 193,347.60/x
  3. Step 3: Cross multiply
    335,065.20x = 502,597.80 × 193,347.60
  4. Step 4: Simplify right side
    335,065.20x = 97,176,078,395.28
  5. Step 5: Solve for x
    x = 97,176,078,395.28/335,065.20
  6. Step 6: Final answer
    x = 290,021.40

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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.