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Finding the Fourth Proportional to 612,215.77, 913,693.85 and 596,272.54

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Solution

The fourth proportional to 612,215.77, 913,693.85 and 596,272.54 is: 889,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,215.77 : 913,693.85 = 596,272.54 : x
  2. Step 2: Convert to fraction form
    612,215.77/913,693.85 = 596,272.54/x
  3. Step 3: Cross multiply
    612,215.77x = 913,693.85 × 596,272.54
  4. Step 4: Simplify right side
    612,215.77x = 544,810,552,721.88
  5. Step 5: Solve for x
    x = 544,810,552,721.88/612,215.77
  6. Step 6: Final answer
    x = 889,899.57

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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.