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Finding the Fourth Proportional to 347,363.16, 479,412.72 and 220,050.60

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Solution

The fourth proportional to 347,363.16, 479,412.72 and 220,050.60 is: 303,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,363.16 : 479,412.72 = 220,050.60 : x
  2. Step 2: Convert to fraction form
    347,363.16/479,412.72 = 220,050.60/x
  3. Step 3: Cross multiply
    347,363.16x = 479,412.72 × 220,050.60
  4. Step 4: Simplify right side
    347,363.16x = 105,495,056,683.63
  5. Step 5: Solve for x
    x = 105,495,056,683.63/347,363.16
  6. Step 6: Final answer
    x = 303,702.49

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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.