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Finding the Fourth Proportional to 354,825.20, 532,302.60 and 144,484.40

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Solution

The fourth proportional to 354,825.20, 532,302.60 and 144,484.40 is: 216,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,825.20 : 532,302.60 = 144,484.40 : x
  2. Step 2: Convert to fraction form
    354,825.20/532,302.60 = 144,484.40/x
  3. Step 3: Cross multiply
    354,825.20x = 532,302.60 × 144,484.40
  4. Step 4: Simplify right side
    354,825.20x = 76,909,421,779.44
  5. Step 5: Solve for x
    x = 76,909,421,779.44/354,825.20
  6. Step 6: Final answer
    x = 216,752.99

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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.