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Finding the Fourth Proportional to 345,777.58, 518,666.37 and 93,058.64

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Solution

The fourth proportional to 345,777.58, 518,666.37 and 93,058.64 is: 139,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,777.58 : 518,666.37 = 93,058.64 : x
  2. Step 2: Convert to fraction form
    345,777.58/518,666.37 = 93,058.64/x
  3. Step 3: Cross multiply
    345,777.58x = 518,666.37 × 93,058.64
  4. Step 4: Simplify right side
    345,777.58x = 48,266,387,005.94
  5. Step 5: Solve for x
    x = 48,266,387,005.94/345,777.58
  6. Step 6: Final answer
    x = 139,587.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.