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Finding the Fourth Proportional to 235,464.40, 353,196.60 and 209,803.60

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Solution

The fourth proportional to 235,464.40, 353,196.60 and 209,803.60 is: 314,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,464.40 : 353,196.60 = 209,803.60 : x
  2. Step 2: Convert to fraction form
    235,464.40/353,196.60 = 209,803.60/x
  3. Step 3: Cross multiply
    235,464.40x = 353,196.60 × 209,803.60
  4. Step 4: Simplify right side
    235,464.40x = 74,101,918,187.76
  5. Step 5: Solve for x
    x = 74,101,918,187.76/235,464.40
  6. Step 6: Final answer
    x = 314,705.40

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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.