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Finding the Fourth Proportional to 476,572.60, 658,244.64 and 380,111.32

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Solution

The fourth proportional to 476,572.60, 658,244.64 and 380,111.32 is: 525,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,572.60 : 658,244.64 = 380,111.32 : x
  2. Step 2: Convert to fraction form
    476,572.60/658,244.64 = 380,111.32/x
  3. Step 3: Cross multiply
    476,572.60x = 658,244.64 × 380,111.32
  4. Step 4: Simplify right side
    476,572.60x = 250,206,238,993.33
  5. Step 5: Solve for x
    x = 250,206,238,993.33/476,572.60
  6. Step 6: Final answer
    x = 525,011.80

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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.