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Finding the Fourth Proportional to 319,587.66, 441,019.89 and 176,353.74

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Solution

The fourth proportional to 319,587.66, 441,019.89 and 176,353.74 is: 243,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,587.66 : 441,019.89 = 176,353.74 : x
  2. Step 2: Convert to fraction form
    319,587.66/441,019.89 = 176,353.74/x
  3. Step 3: Cross multiply
    319,587.66x = 441,019.89 × 176,353.74
  4. Step 4: Simplify right side
    319,587.66x = 77,775,507,015.89
  5. Step 5: Solve for x
    x = 77,775,507,015.89/319,587.66
  6. Step 6: Final answer
    x = 243,362.05

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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.