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Finding the Fourth Proportional to 319,068.50, 440,317.42 and 175,833.68

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Solution

The fourth proportional to 319,068.50, 440,317.42 and 175,833.68 is: 242,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,068.50 : 440,317.42 = 175,833.68 : x
  2. Step 2: Convert to fraction form
    319,068.50/440,317.42 = 175,833.68/x
  3. Step 3: Cross multiply
    319,068.50x = 440,317.42 × 175,833.68
  4. Step 4: Simplify right side
    319,068.50x = 77,422,632,326.71
  5. Step 5: Solve for x
    x = 77,422,632,326.71/319,068.50
  6. Step 6: Final answer
    x = 242,652.07

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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.