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Finding the Fourth Proportional to 612,233.40, 857,826.60 and 612,233.40

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Solution

The fourth proportional to 612,233.40, 857,826.60 and 612,233.40 is: 857,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,233.40 : 857,826.60 = 612,233.40 : x
  2. Step 2: Convert to fraction form
    612,233.40/857,826.60 = 612,233.40/x
  3. Step 3: Cross multiply
    612,233.40x = 857,826.60 × 612,233.40
  4. Step 4: Simplify right side
    612,233.40x = 525,190,095,928.44
  5. Step 5: Solve for x
    x = 525,190,095,928.44/612,233.40
  6. Step 6: Final answer
    x = 857,826.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.