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Finding the Fourth Proportional to 346,607.43, 478,062.37 and 219,160

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Solution

The fourth proportional to 346,607.43, 478,062.37 and 219,160 is: 302,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,607.43 : 478,062.37 = 219,160 : x
  2. Step 2: Convert to fraction form
    346,607.43/478,062.37 = 219,160/x
  3. Step 3: Cross multiply
    346,607.43x = 478,062.37 × 219,160
  4. Step 4: Simplify right side
    346,607.43x = 104,772,149,009.20
  5. Step 5: Solve for x
    x = 104,772,149,009.20/346,607.43
  6. Step 6: Final answer
    x = 302,279.00

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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.