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Finding the Fourth Proportional to 302,534.60, 453,801.90 and 208,056.20

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Solution

The fourth proportional to 302,534.60, 453,801.90 and 208,056.20 is: 312,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,534.60 : 453,801.90 = 208,056.20 : x
  2. Step 2: Convert to fraction form
    302,534.60/453,801.90 = 208,056.20/x
  3. Step 3: Cross multiply
    302,534.60x = 453,801.90 × 208,056.20
  4. Step 4: Simplify right side
    302,534.60x = 94,416,298,866.78
  5. Step 5: Solve for x
    x = 94,416,298,866.78/302,534.60
  6. Step 6: Final answer
    x = 312,084.30

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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.