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Finding the Fourth Proportional to 196,303.60, 294,455.40 and 48,559.60

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Solution

The fourth proportional to 196,303.60, 294,455.40 and 48,559.60 is: 72,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,303.60 : 294,455.40 = 48,559.60 : x
  2. Step 2: Convert to fraction form
    196,303.60/294,455.40 = 48,559.60/x
  3. Step 3: Cross multiply
    196,303.60x = 294,455.40 × 48,559.60
  4. Step 4: Simplify right side
    196,303.60x = 14,298,636,441.84
  5. Step 5: Solve for x
    x = 14,298,636,441.84/196,303.60
  6. Step 6: Final answer
    x = 72,839.40

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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.