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Finding the Fourth Proportional to 357,031.54, 535,549.15 and 120,376.27

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Solution

The fourth proportional to 357,031.54, 535,549.15 and 120,376.27 is: 180,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,031.54 : 535,549.15 = 120,376.27 : x
  2. Step 2: Convert to fraction form
    357,031.54/535,549.15 = 120,376.27/x
  3. Step 3: Cross multiply
    357,031.54x = 535,549.15 × 120,376.27
  4. Step 4: Simplify right side
    357,031.54x = 64,467,409,078.67
  5. Step 5: Solve for x
    x = 64,467,409,078.67/357,031.54
  6. Step 6: Final answer
    x = 180,565.03

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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.