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Finding the Fourth Proportional to 346,692.40, 520,038.60 and 294,204.40

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Solution

The fourth proportional to 346,692.40, 520,038.60 and 294,204.40 is: 441,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,692.40 : 520,038.60 = 294,204.40 : x
  2. Step 2: Convert to fraction form
    346,692.40/520,038.60 = 294,204.40/x
  3. Step 3: Cross multiply
    346,692.40x = 520,038.60 × 294,204.40
  4. Step 4: Simplify right side
    346,692.40x = 152,997,644,289.84
  5. Step 5: Solve for x
    x = 152,997,644,289.84/346,692.40
  6. Step 6: Final answer
    x = 441,306.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.