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Finding the Fourth Proportional to 289,108.59, 398,587.59 and 237,235.68

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Solution

The fourth proportional to 289,108.59, 398,587.59 and 237,235.68 is: 327,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,108.59 : 398,587.59 = 237,235.68 : x
  2. Step 2: Convert to fraction form
    289,108.59/398,587.59 = 237,235.68/x
  3. Step 3: Cross multiply
    289,108.59x = 398,587.59 × 237,235.68
  4. Step 4: Simplify right side
    289,108.59x = 94,559,197,953.21
  5. Step 5: Solve for x
    x = 94,559,197,953.21/289,108.59
  6. Step 6: Final answer
    x = 327,071.57

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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.