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Finding the Fourth Proportional to 590,854.80, 886,500.90 and 236,123.40

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Solution

The fourth proportional to 590,854.80, 886,500.90 and 236,123.40 is: 354,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,854.80 : 886,500.90 = 236,123.40 : x
  2. Step 2: Convert to fraction form
    590,854.80/886,500.90 = 236,123.40/x
  3. Step 3: Cross multiply
    590,854.80x = 886,500.90 × 236,123.40
  4. Step 4: Simplify right side
    590,854.80x = 209,323,606,611.06
  5. Step 5: Solve for x
    x = 209,323,606,611.06/590,854.80
  6. Step 6: Final answer
    x = 354,272.50

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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.