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Finding the Fourth Proportional to 319,095.92, 440,345.74 and 175,852.28

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Solution

The fourth proportional to 319,095.92, 440,345.74 and 175,852.28 is: 242,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,095.92 : 440,345.74 = 175,852.28 : x
  2. Step 2: Convert to fraction form
    319,095.92/440,345.74 = 175,852.28/x
  3. Step 3: Cross multiply
    319,095.92x = 440,345.74 × 175,852.28
  4. Step 4: Simplify right side
    319,095.92x = 77,435,802,367.29
  5. Step 5: Solve for x
    x = 77,435,802,367.29/319,095.92
  6. Step 6: Final answer
    x = 242,672.49

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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.