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Finding the Fourth Proportional to 292,988.88, 438,696 and 241,025.76

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Solution

The fourth proportional to 292,988.88, 438,696 and 241,025.76 is: 360,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,988.88 : 438,696 = 241,025.76 : x
  2. Step 2: Convert to fraction form
    292,988.88/438,696 = 241,025.76/x
  3. Step 3: Cross multiply
    292,988.88x = 438,696 × 241,025.76
  4. Step 4: Simplify right side
    292,988.88x = 105,737,036,808.96
  5. Step 5: Solve for x
    x = 105,737,036,808.96/292,988.88
  6. Step 6: Final answer
    x = 360,890.96

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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.