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Finding the Fourth Proportional to 675,938.61, 932,796.44 and 370,015.18

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Solution

The fourth proportional to 675,938.61, 932,796.44 and 370,015.18 is: 510,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,938.61 : 932,796.44 = 370,015.18 : x
  2. Step 2: Convert to fraction form
    675,938.61/932,796.44 = 370,015.18/x
  3. Step 3: Cross multiply
    675,938.61x = 932,796.44 × 370,015.18
  4. Step 4: Simplify right side
    675,938.61x = 345,148,841,243.01
  5. Step 5: Solve for x
    x = 345,148,841,243.01/675,938.61
  6. Step 6: Final answer
    x = 510,621.58

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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.