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Finding the Fourth Proportional to 302,886.60, 454,329.90 and 196,598.40

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Solution

The fourth proportional to 302,886.60, 454,329.90 and 196,598.40 is: 294,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,886.60 : 454,329.90 = 196,598.40 : x
  2. Step 2: Convert to fraction form
    302,886.60/454,329.90 = 196,598.40/x
  3. Step 3: Cross multiply
    302,886.60x = 454,329.90 × 196,598.40
  4. Step 4: Simplify right side
    302,886.60x = 89,320,531,412.16
  5. Step 5: Solve for x
    x = 89,320,531,412.16/302,886.60
  6. Step 6: Final answer
    x = 294,897.60

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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.