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Finding the Fourth Proportional to 561,620.40, 842,430.60 and 246,692.40

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Solution

The fourth proportional to 561,620.40, 842,430.60 and 246,692.40 is: 370,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,620.40 : 842,430.60 = 246,692.40 : x
  2. Step 2: Convert to fraction form
    561,620.40/842,430.60 = 246,692.40/x
  3. Step 3: Cross multiply
    561,620.40x = 842,430.60 × 246,692.40
  4. Step 4: Simplify right side
    561,620.40x = 207,821,226,547.44
  5. Step 5: Solve for x
    x = 207,821,226,547.44/561,620.40
  6. Step 6: Final answer
    x = 370,038.60

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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.