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Finding the Fourth Proportional to 368,051.60, 552,077.40 and 218,752.40

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Solution

The fourth proportional to 368,051.60, 552,077.40 and 218,752.40 is: 328,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,051.60 : 552,077.40 = 218,752.40 : x
  2. Step 2: Convert to fraction form
    368,051.60/552,077.40 = 218,752.40/x
  3. Step 3: Cross multiply
    368,051.60x = 552,077.40 × 218,752.40
  4. Step 4: Simplify right side
    368,051.60x = 120,768,256,235.76
  5. Step 5: Solve for x
    x = 120,768,256,235.76/368,051.60
  6. Step 6: Final answer
    x = 328,128.60

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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.