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Finding the Fourth Proportional to 610,480.69, 842,463.36 and 342,208.69

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Solution

The fourth proportional to 610,480.69, 842,463.36 and 342,208.69 is: 472,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,480.69 : 842,463.36 = 342,208.69 : x
  2. Step 2: Convert to fraction form
    610,480.69/842,463.36 = 342,208.69/x
  3. Step 3: Cross multiply
    610,480.69x = 842,463.36 × 342,208.69
  4. Step 4: Simplify right side
    610,480.69x = 288,298,280,692.44
  5. Step 5: Solve for x
    x = 288,298,280,692.44/610,480.69
  6. Step 6: Final answer
    x = 472,248.00

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1.5x scale

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.