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Finding the Fourth Proportional to 362,703.40, 544,055.10 and 256,949.80

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Solution

The fourth proportional to 362,703.40, 544,055.10 and 256,949.80 is: 385,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,703.40 : 544,055.10 = 256,949.80 : x
  2. Step 2: Convert to fraction form
    362,703.40/544,055.10 = 256,949.80/x
  3. Step 3: Cross multiply
    362,703.40x = 544,055.10 × 256,949.80
  4. Step 4: Simplify right side
    362,703.40x = 139,794,849,133.98
  5. Step 5: Solve for x
    x = 139,794,849,133.98/362,703.40
  6. Step 6: Final answer
    x = 385,424.70

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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.