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Finding the Fourth Proportional to 312,054.06, 468,343.66 and 292,371.06

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Solution

The fourth proportional to 312,054.06, 468,343.66 and 292,371.06 is: 438,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,054.06 : 468,343.66 = 292,371.06 : x
  2. Step 2: Convert to fraction form
    312,054.06/468,343.66 = 292,371.06/x
  3. Step 3: Cross multiply
    312,054.06x = 468,343.66 × 292,371.06
  4. Step 4: Simplify right side
    312,054.06x = 136,930,132,318.48
  5. Step 5: Solve for x
    x = 136,930,132,318.48/312,054.06
  6. Step 6: Final answer
    x = 438,802.60

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1.5x scale

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.