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Finding the Fourth Proportional to 625,514.81, 930,225.41 and 605,585.77

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Solution

The fourth proportional to 625,514.81, 930,225.41 and 605,585.77 is: 900,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,514.81 : 930,225.41 = 605,585.77 : x
  2. Step 2: Convert to fraction form
    625,514.81/930,225.41 = 605,585.77/x
  3. Step 3: Cross multiply
    625,514.81x = 930,225.41 × 605,585.77
  4. Step 4: Simplify right side
    625,514.81x = 563,331,271,512.29
  5. Step 5: Solve for x
    x = 563,331,271,512.29/625,514.81
  6. Step 6: Final answer
    x = 900,588.23

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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.