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Finding the Fourth Proportional to 366,938.99, 550,459.52 and 130,225.40

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Solution

The fourth proportional to 366,938.99, 550,459.52 and 130,225.40 is: 195,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.99 : 550,459.52 = 130,225.40 : x
  2. Step 2: Convert to fraction form
    366,938.99/550,459.52 = 130,225.40/x
  3. Step 3: Cross multiply
    366,938.99x = 550,459.52 × 130,225.40
  4. Step 4: Simplify right side
    366,938.99x = 71,683,811,175.81
  5. Step 5: Solve for x
    x = 71,683,811,175.81/366,938.99
  6. Step 6: Final answer
    x = 195,356.21

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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.