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Finding the Fourth Proportional to 587,528.80, 881,293.21 and 387,802.49

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Solution

The fourth proportional to 587,528.80, 881,293.21 and 387,802.49 is: 581,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,528.80 : 881,293.21 = 387,802.49 : x
  2. Step 2: Convert to fraction form
    587,528.80/881,293.21 = 387,802.49/x
  3. Step 3: Cross multiply
    587,528.80x = 881,293.21 × 387,802.49
  4. Step 4: Simplify right side
    587,528.80x = 341,767,698,063.51
  5. Step 5: Solve for x
    x = 341,767,698,063.51/587,528.80
  6. Step 6: Final answer
    x = 581,703.74

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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.