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Finding the Fourth Proportional to 587,465.35, 881,018.61 and 406,260.94

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Solution

The fourth proportional to 587,465.35, 881,018.61 and 406,260.94 is: 609,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,465.35 : 881,018.61 = 406,260.94 : x
  2. Step 2: Convert to fraction form
    587,465.35/881,018.61 = 406,260.94/x
  3. Step 3: Cross multiply
    587,465.35x = 881,018.61 × 406,260.94
  4. Step 4: Simplify right side
    587,465.35x = 357,923,448,656.09
  5. Step 5: Solve for x
    x = 357,923,448,656.09/587,465.35
  6. Step 6: Final answer
    x = 609,267.34

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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.