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Finding the Fourth Proportional to 590,418.60, 886,065.30 and 235,687.20

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Solution

The fourth proportional to 590,418.60, 886,065.30 and 235,687.20 is: 353,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,418.60 : 886,065.30 = 235,687.20 : x
  2. Step 2: Convert to fraction form
    590,418.60/886,065.30 = 235,687.20/x
  3. Step 3: Cross multiply
    590,418.60x = 886,065.30 × 235,687.20
  4. Step 4: Simplify right side
    590,418.60x = 208,834,249,574.16
  5. Step 5: Solve for x
    x = 208,834,249,574.16/590,418.60
  6. Step 6: Final answer
    x = 353,705.40

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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.