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Finding the Fourth Proportional to 611,684.94, 844,191.40 and 370,100.70

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Solution

The fourth proportional to 611,684.94, 844,191.40 and 370,100.70 is: 510,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,684.94 : 844,191.40 = 370,100.70 : x
  2. Step 2: Convert to fraction form
    611,684.94/844,191.40 = 370,100.70/x
  3. Step 3: Cross multiply
    611,684.94x = 844,191.40 × 370,100.70
  4. Step 4: Simplify right side
    611,684.94x = 312,435,828,073.98
  5. Step 5: Solve for x
    x = 312,435,828,073.98/611,684.94
  6. Step 6: Final answer
    x = 510,779.01

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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.