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Finding the Fourth Proportional to 634,303.27, 875,378.37 and 347,823.37

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Solution

The fourth proportional to 634,303.27, 875,378.37 and 347,823.37 is: 480,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,303.27 : 875,378.37 = 347,823.37 : x
  2. Step 2: Convert to fraction form
    634,303.27/875,378.37 = 347,823.37/x
  3. Step 3: Cross multiply
    634,303.27x = 875,378.37 × 347,823.37
  4. Step 4: Simplify right side
    634,303.27x = 304,477,052,153.06
  5. Step 5: Solve for x
    x = 304,477,052,153.06/634,303.27
  6. Step 6: Final answer
    x = 480,018.10

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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.