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Finding the Fourth Proportional to 616,164.80, 923,786.40 and 335,998.40

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Solution

The fourth proportional to 616,164.80, 923,786.40 and 335,998.40 is: 503,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,164.80 : 923,786.40 = 335,998.40 : x
  2. Step 2: Convert to fraction form
    616,164.80/923,786.40 = 335,998.40/x
  3. Step 3: Cross multiply
    616,164.80x = 923,786.40 × 335,998.40
  4. Step 4: Simplify right side
    616,164.80x = 310,390,752,341.76
  5. Step 5: Solve for x
    x = 310,390,752,341.76/616,164.80
  6. Step 6: Final answer
    x = 503,746.32

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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.