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Finding the Fourth Proportional to 346,620.60, 478,254.42 and 201,340.07

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Solution

The fourth proportional to 346,620.60, 478,254.42 and 201,340.07 is: 277,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,620.60 : 478,254.42 = 201,340.07 : x
  2. Step 2: Convert to fraction form
    346,620.60/478,254.42 = 201,340.07/x
  3. Step 3: Cross multiply
    346,620.60x = 478,254.42 × 201,340.07
  4. Step 4: Simplify right side
    346,620.60x = 96,291,776,009.34
  5. Step 5: Solve for x
    x = 96,291,776,009.34/346,620.60
  6. Step 6: Final answer
    x = 277,801.65

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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.