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Finding the Fourth Proportional to 482,783.63, 724,000.41 and 216,407.03

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Solution

The fourth proportional to 482,783.63, 724,000.41 and 216,407.03 is: 324,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,783.63 : 724,000.41 = 216,407.03 : x
  2. Step 2: Convert to fraction form
    482,783.63/724,000.41 = 216,407.03/x
  3. Step 3: Cross multiply
    482,783.63x = 724,000.41 × 216,407.03
  4. Step 4: Simplify right side
    482,783.63x = 156,678,774,826.88
  5. Step 5: Solve for x
    x = 156,678,774,826.88/482,783.63
  6. Step 6: Final answer
    x = 324,532.08

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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.