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Finding the Fourth Proportional to 427,889.95, 590,527.74 and 236,903.34

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Solution

The fourth proportional to 427,889.95, 590,527.74 and 236,903.34 is: 326,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,889.95 : 590,527.74 = 236,903.34 : x
  2. Step 2: Convert to fraction form
    427,889.95/590,527.74 = 236,903.34/x
  3. Step 3: Cross multiply
    427,889.95x = 590,527.74 × 236,903.34
  4. Step 4: Simplify right side
    427,889.95x = 139,897,997,071.52
  5. Step 5: Solve for x
    x = 139,897,997,071.52/427,889.95
  6. Step 6: Final answer
    x = 326,948.55

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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.