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Finding the Fourth Proportional to 536,657.21, 740,604.71 and 294,948.35

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Solution

The fourth proportional to 536,657.21, 740,604.71 and 294,948.35 is: 407,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,657.21 : 740,604.71 = 294,948.35 : x
  2. Step 2: Convert to fraction form
    536,657.21/740,604.71 = 294,948.35/x
  3. Step 3: Cross multiply
    536,657.21x = 740,604.71 × 294,948.35
  4. Step 4: Simplify right side
    536,657.21x = 218,440,135,741.99
  5. Step 5: Solve for x
    x = 218,440,135,741.99/536,657.21
  6. Step 6: Final answer
    x = 407,038.48

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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.