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Finding the Fourth Proportional to 535,712.77, 738,637.05 and 462,984.09

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Solution

The fourth proportional to 535,712.77, 738,637.05 and 462,984.09 is: 638,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,712.77 : 738,637.05 = 462,984.09 : x
  2. Step 2: Convert to fraction form
    535,712.77/738,637.05 = 462,984.09/x
  3. Step 3: Cross multiply
    535,712.77x = 738,637.05 × 462,984.09
  4. Step 4: Simplify right side
    535,712.77x = 341,977,202,434.54
  5. Step 5: Solve for x
    x = 341,977,202,434.54/535,712.77
  6. Step 6: Final answer
    x = 638,359.25

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Double scale
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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.