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Finding the Fourth Proportional to 442,283.55, 609,732.93 and 374,026.06

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Solution

The fourth proportional to 442,283.55, 609,732.93 and 374,026.06 is: 515,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,283.55 : 609,732.93 = 374,026.06 : x
  2. Step 2: Convert to fraction form
    442,283.55/609,732.93 = 374,026.06/x
  3. Step 3: Cross multiply
    442,283.55x = 609,732.93 × 374,026.06
  4. Step 4: Simplify right side
    442,283.55x = 228,056,005,460.16
  5. Step 5: Solve for x
    x = 228,056,005,460.16/442,283.55
  6. Step 6: Final answer
    x = 515,633.03

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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.