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Finding the Fourth Proportional to 651,009.14, 898,399.06 and 360,629.30

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Solution

The fourth proportional to 651,009.14, 898,399.06 and 360,629.30 is: 497,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,009.14 : 898,399.06 = 360,629.30 : x
  2. Step 2: Convert to fraction form
    651,009.14/898,399.06 = 360,629.30/x
  3. Step 3: Cross multiply
    651,009.14x = 898,399.06 × 360,629.30
  4. Step 4: Simplify right side
    651,009.14x = 323,989,027,501.42
  5. Step 5: Solve for x
    x = 323,989,027,501.42/651,009.14
  6. Step 6: Final answer
    x = 497,672.01

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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.