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Finding the Fourth Proportional to 841,648, 1,161,508.80 and 483,952

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Solution

The fourth proportional to 841,648, 1,161,508.80 and 483,952 is: 667,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,648 : 1,161,508.80 = 483,952 : x
  2. Step 2: Convert to fraction form
    841,648/1,161,508.80 = 483,952/x
  3. Step 3: Cross multiply
    841,648x = 1,161,508.80 × 483,952
  4. Step 4: Simplify right side
    841,648x = 562,114,506,777.60
  5. Step 5: Solve for x
    x = 562,114,506,777.60/841,648
  6. Step 6: Final answer
    x = 667,873.63

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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.