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Finding the Fourth Proportional to 323,280.04, 446,140.30 and 180,040.08

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Solution

The fourth proportional to 323,280.04, 446,140.30 and 180,040.08 is: 248,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,280.04 : 446,140.30 = 180,040.08 : x
  2. Step 2: Convert to fraction form
    323,280.04/446,140.30 = 180,040.08/x
  3. Step 3: Cross multiply
    323,280.04x = 446,140.30 × 180,040.08
  4. Step 4: Simplify right side
    323,280.04x = 80,323,136,526.15
  5. Step 5: Solve for x
    x = 80,323,136,526.15/323,280.04
  6. Step 6: Final answer
    x = 248,463.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.