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Finding the Fourth Proportional to 308,266.10, 462,399.15 and 97,925.30

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Solution

The fourth proportional to 308,266.10, 462,399.15 and 97,925.30 is: 146,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,266.10 : 462,399.15 = 97,925.30 : x
  2. Step 2: Convert to fraction form
    308,266.10/462,399.15 = 97,925.30/x
  3. Step 3: Cross multiply
    308,266.10x = 462,399.15 × 97,925.30
  4. Step 4: Simplify right side
    308,266.10x = 45,280,575,483.50
  5. Step 5: Solve for x
    x = 45,280,575,483.50/308,266.10
  6. Step 6: Final answer
    x = 146,887.95

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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.