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Finding the Fourth Proportional to 347,246.40, 470,257.20 and 347,246.40

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Solution

The fourth proportional to 347,246.40, 470,257.20 and 347,246.40 is: 470,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,246.40 : 470,257.20 = 347,246.40 : x
  2. Step 2: Convert to fraction form
    347,246.40/470,257.20 = 347,246.40/x
  3. Step 3: Cross multiply
    347,246.40x = 470,257.20 × 347,246.40
  4. Step 4: Simplify right side
    347,246.40x = 163,295,119,774.08
  5. Step 5: Solve for x
    x = 163,295,119,774.08/347,246.40
  6. Step 6: Final answer
    x = 470,257.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.