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Finding the Fourth Proportional to 469,811.51, 648,341.58 and 254,951.52

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Solution

The fourth proportional to 469,811.51, 648,341.58 and 254,951.52 is: 351,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,811.51 : 648,341.58 = 254,951.52 : x
  2. Step 2: Convert to fraction form
    469,811.51/648,341.58 = 254,951.52/x
  3. Step 3: Cross multiply
    469,811.51x = 648,341.58 × 254,951.52
  4. Step 4: Simplify right side
    469,811.51x = 165,295,671,300.20
  5. Step 5: Solve for x
    x = 165,295,671,300.20/469,811.51
  6. Step 6: Final answer
    x = 351,834.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.