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Finding the Fourth Proportional to 611,526.04, 917,081.42 and 232,355.66

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Solution

The fourth proportional to 611,526.04, 917,081.42 and 232,355.66 is: 348,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,526.04 : 917,081.42 = 232,355.66 : x
  2. Step 2: Convert to fraction form
    611,526.04/917,081.42 = 232,355.66/x
  3. Step 3: Cross multiply
    611,526.04x = 917,081.42 × 232,355.66
  4. Step 4: Simplify right side
    611,526.04x = 213,089,052,870.65
  5. Step 5: Solve for x
    x = 213,089,052,870.65/611,526.04
  6. Step 6: Final answer
    x = 348,454.59

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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.