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Finding the Fourth Proportional to 620,884.06, 931,146.16 and 241,720.26

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Solution

The fourth proportional to 620,884.06, 931,146.16 and 241,720.26 is: 362,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,884.06 : 931,146.16 = 241,720.26 : x
  2. Step 2: Convert to fraction form
    620,884.06/931,146.16 = 241,720.26/x
  3. Step 3: Cross multiply
    620,884.06x = 931,146.16 × 241,720.26
  4. Step 4: Simplify right side
    620,884.06x = 225,076,894,117.61
  5. Step 5: Solve for x
    x = 225,076,894,117.61/620,884.06
  6. Step 6: Final answer
    x = 362,510.34

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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.