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Finding the Fourth Proportional to 625,190.51, 936,658.24 and 384,886.19

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Solution

The fourth proportional to 625,190.51, 936,658.24 and 384,886.19 is: 576,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,190.51 : 936,658.24 = 384,886.19 : x
  2. Step 2: Convert to fraction form
    625,190.51/936,658.24 = 384,886.19/x
  3. Step 3: Cross multiply
    625,190.51x = 936,658.24 × 384,886.19
  4. Step 4: Simplify right side
    625,190.51x = 360,506,821,325.71
  5. Step 5: Solve for x
    x = 360,506,821,325.71/625,190.51
  6. Step 6: Final answer
    x = 576,635.15

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1.5x scale

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.