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Finding the Fourth Proportional to 536,289.78, 740,083.06 and 294,566.12

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Solution

The fourth proportional to 536,289.78, 740,083.06 and 294,566.12 is: 406,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,289.78 : 740,083.06 = 294,566.12 : x
  2. Step 2: Convert to fraction form
    536,289.78/740,083.06 = 294,566.12/x
  3. Step 3: Cross multiply
    536,289.78x = 740,083.06 × 294,566.12
  4. Step 4: Simplify right side
    536,289.78x = 218,003,395,461.93
  5. Step 5: Solve for x
    x = 218,003,395,461.93/536,289.78
  6. Step 6: Final answer
    x = 406,502.98

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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.