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Finding the Fourth Proportional to 612,191.26, 913,657.51 and 596,248.03

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Solution

The fourth proportional to 612,191.26, 913,657.51 and 596,248.03 is: 889,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,191.26 : 913,657.51 = 596,248.03 : x
  2. Step 2: Convert to fraction form
    612,191.26/913,657.51 = 596,248.03/x
  3. Step 3: Cross multiply
    612,191.26x = 913,657.51 × 596,248.03
  4. Step 4: Simplify right side
    612,191.26x = 544,766,490,432.21
  5. Step 5: Solve for x
    x = 544,766,490,432.21/612,191.26
  6. Step 6: Final answer
    x = 889,863.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.