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Finding the Fourth Proportional to 804,473.80, 1,206,710.70 and 489,027.40

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Solution

The fourth proportional to 804,473.80, 1,206,710.70 and 489,027.40 is: 733,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,473.80 : 1,206,710.70 = 489,027.40 : x
  2. Step 2: Convert to fraction form
    804,473.80/1,206,710.70 = 489,027.40/x
  3. Step 3: Cross multiply
    804,473.80x = 1,206,710.70 × 489,027.40
  4. Step 4: Simplify right side
    804,473.80x = 590,114,596,173.18
  5. Step 5: Solve for x
    x = 590,114,596,173.18/804,473.80
  6. Step 6: Final answer
    x = 733,541.10

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1.5x scale

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.