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Finding the Fourth Proportional to 620,592.96, 930,870.84 and 171,341.25

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Solution

The fourth proportional to 620,592.96, 930,870.84 and 171,341.25 is: 257,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,592.96 : 930,870.84 = 171,341.25 : x
  2. Step 2: Convert to fraction form
    620,592.96/930,870.84 = 171,341.25/x
  3. Step 3: Cross multiply
    620,592.96x = 930,870.84 × 171,341.25
  4. Step 4: Simplify right side
    620,592.96x = 159,496,573,314.15
  5. Step 5: Solve for x
    x = 159,496,573,314.15/620,592.96
  6. Step 6: Final answer
    x = 257,006.74

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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.