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Finding the Fourth Proportional to 606,848.81, 905,658.83 and 539,590.05

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Solution

The fourth proportional to 606,848.81, 905,658.83 and 539,590.05 is: 805,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,848.81 : 905,658.83 = 539,590.05 : x
  2. Step 2: Convert to fraction form
    606,848.81/905,658.83 = 539,590.05/x
  3. Step 3: Cross multiply
    606,848.81x = 905,658.83 × 539,590.05
  4. Step 4: Simplify right side
    606,848.81x = 488,684,490,664.69
  5. Step 5: Solve for x
    x = 488,684,490,664.69/606,848.81
  6. Step 6: Final answer
    x = 805,282.12

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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.