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Finding the Fourth Proportional to 465,290.55, 698,533.55 and 358,742.19

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Solution

The fourth proportional to 465,290.55, 698,533.55 and 358,742.19 is: 538,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,290.55 : 698,533.55 = 358,742.19 : x
  2. Step 2: Convert to fraction form
    465,290.55/698,533.55 = 358,742.19/x
  3. Step 3: Cross multiply
    465,290.55x = 698,533.55 × 358,742.19
  4. Step 4: Simplify right side
    465,290.55x = 250,593,455,469.69
  5. Step 5: Solve for x
    x = 250,593,455,469.69/465,290.55
  6. Step 6: Final answer
    x = 538,574.13

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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.