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Finding the Fourth Proportional to 319,566.96, 478,893.53 and 234,661.01

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Solution

The fourth proportional to 319,566.96, 478,893.53 and 234,661.01 is: 351,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,566.96 : 478,893.53 = 234,661.01 : x
  2. Step 2: Convert to fraction form
    319,566.96/478,893.53 = 234,661.01/x
  3. Step 3: Cross multiply
    319,566.96x = 478,893.53 × 234,661.01
  4. Step 4: Simplify right side
    319,566.96x = 112,377,637,624.45
  5. Step 5: Solve for x
    x = 112,377,637,624.45/319,566.96
  6. Step 6: Final answer
    x = 351,656.00

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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.