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Finding the Fourth Proportional to 302,594.40, 453,200.40 and 178,178.40

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Solution

The fourth proportional to 302,594.40, 453,200.40 and 178,178.40 is: 266,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,594.40 : 453,200.40 = 178,178.40 : x
  2. Step 2: Convert to fraction form
    302,594.40/453,200.40 = 178,178.40/x
  3. Step 3: Cross multiply
    302,594.40x = 453,200.40 × 178,178.40
  4. Step 4: Simplify right side
    302,594.40x = 80,750,522,151.36
  5. Step 5: Solve for x
    x = 80,750,522,151.36/302,594.40
  6. Step 6: Final answer
    x = 266,860.60

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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.