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Finding the Fourth Proportional to 346,210.84, 477,850.67 and 203,017.01

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Solution

The fourth proportional to 346,210.84, 477,850.67 and 203,017.01 is: 280,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,210.84 : 477,850.67 = 203,017.01 : x
  2. Step 2: Convert to fraction form
    346,210.84/477,850.67 = 203,017.01/x
  3. Step 3: Cross multiply
    346,210.84x = 477,850.67 × 203,017.01
  4. Step 4: Simplify right side
    346,210.84x = 97,011,814,534.15
  5. Step 5: Solve for x
    x = 97,011,814,534.15/346,210.84
  6. Step 6: Final answer
    x = 280,210.22

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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.