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Finding the Fourth Proportional to 302,311.30, 453,466.95 and 255,655.30

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Solution

The fourth proportional to 302,311.30, 453,466.95 and 255,655.30 is: 383,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,311.30 : 453,466.95 = 255,655.30 : x
  2. Step 2: Convert to fraction form
    302,311.30/453,466.95 = 255,655.30/x
  3. Step 3: Cross multiply
    302,311.30x = 453,466.95 × 255,655.30
  4. Step 4: Simplify right side
    302,311.30x = 115,931,229,142.34
  5. Step 5: Solve for x
    x = 115,931,229,142.34/302,311.30
  6. Step 6: Final answer
    x = 383,482.95

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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.