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Finding the Fourth Proportional to 586,600.80, 809,090.93 and 538,358.24

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Solution

The fourth proportional to 586,600.80, 809,090.93 and 538,358.24 is: 742,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,600.80 : 809,090.93 = 538,358.24 : x
  2. Step 2: Convert to fraction form
    586,600.80/809,090.93 = 538,358.24/x
  3. Step 3: Cross multiply
    586,600.80x = 809,090.93 × 538,358.24
  4. Step 4: Simplify right side
    586,600.80x = 435,580,762,337.52
  5. Step 5: Solve for x
    x = 435,580,762,337.52/586,600.80
  6. Step 6: Final answer
    x = 742,550.58

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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.