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Finding the Fourth Proportional to 536,435.61, 740,289.32 and 294,722.90

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Solution

The fourth proportional to 536,435.61, 740,289.32 and 294,722.90 is: 406,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,435.61 : 740,289.32 = 294,722.90 : x
  2. Step 2: Convert to fraction form
    536,435.61/740,289.32 = 294,722.90/x
  3. Step 3: Cross multiply
    536,435.61x = 740,289.32 × 294,722.90
  4. Step 4: Simplify right side
    536,435.61x = 218,180,215,229.43
  5. Step 5: Solve for x
    x = 218,180,215,229.43/536,435.61
  6. Step 6: Final answer
    x = 406,722.10

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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.