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Finding the Fourth Proportional to 536,662.53, 740,602.94 and 307,218.89

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Solution

The fourth proportional to 536,662.53, 740,602.94 and 307,218.89 is: 423,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,662.53 : 740,602.94 = 307,218.89 : x
  2. Step 2: Convert to fraction form
    536,662.53/740,602.94 = 307,218.89/x
  3. Step 3: Cross multiply
    536,662.53x = 740,602.94 × 307,218.89
  4. Step 4: Simplify right side
    536,662.53x = 227,527,213,472.95
  5. Step 5: Solve for x
    x = 227,527,213,472.95/536,662.53
  6. Step 6: Final answer
    x = 423,967.02

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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.