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Finding the Fourth Proportional to 536,433.40, 803,483.70 and 325,703.80

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Solution

The fourth proportional to 536,433.40, 803,483.70 and 325,703.80 is: 487,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,433.40 : 803,483.70 = 325,703.80 : x
  2. Step 2: Convert to fraction form
    536,433.40/803,483.70 = 325,703.80/x
  3. Step 3: Cross multiply
    536,433.40x = 803,483.70 × 325,703.80
  4. Step 4: Simplify right side
    536,433.40x = 261,697,694,328.06
  5. Step 5: Solve for x
    x = 261,697,694,328.06/536,433.40
  6. Step 6: Final answer
    x = 487,847.50

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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.