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Finding the Fourth Proportional to 586,615.35, 809,110.89 and 538,372.74

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Solution

The fourth proportional to 586,615.35, 809,110.89 and 538,372.74 is: 742,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,615.35 : 809,110.89 = 538,372.74 : x
  2. Step 2: Convert to fraction form
    586,615.35/809,110.89 = 538,372.74/x
  3. Step 3: Cross multiply
    586,615.35x = 809,110.89 × 538,372.74
  4. Step 4: Simplify right side
    586,615.35x = 435,603,246,813.14
  5. Step 5: Solve for x
    x = 435,603,246,813.14/586,615.35
  6. Step 6: Final answer
    x = 742,570.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.