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Finding the Fourth Proportional to 493,503.22, 681,036.51 and 267,148.72

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Solution

The fourth proportional to 493,503.22, 681,036.51 and 267,148.72 is: 368,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,503.22 : 681,036.51 = 267,148.72 : x
  2. Step 2: Convert to fraction form
    493,503.22/681,036.51 = 267,148.72/x
  3. Step 3: Cross multiply
    493,503.22x = 681,036.51 × 267,148.72
  4. Step 4: Simplify right side
    493,503.22x = 181,938,031,919.77
  5. Step 5: Solve for x
    x = 181,938,031,919.77/493,503.22
  6. Step 6: Final answer
    x = 368,666.35

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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.