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Finding the Fourth Proportional to 536,447.81, 740,311.02 and 294,746.06

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Solution

The fourth proportional to 536,447.81, 740,311.02 and 294,746.06 is: 406,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.81 : 740,311.02 = 294,746.06 : x
  2. Step 2: Convert to fraction form
    536,447.81/740,311.02 = 294,746.06/x
  3. Step 3: Cross multiply
    536,447.81x = 740,311.02 × 294,746.06
  4. Step 4: Simplify right side
    536,447.81x = 218,203,752,618.03
  5. Step 5: Solve for x
    x = 218,203,752,618.03/536,447.81
  6. Step 6: Final answer
    x = 406,756.73

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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.