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Finding the Fourth Proportional to 541,994.04, 812,697.84 and 430,392.24

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Solution

The fourth proportional to 541,994.04, 812,697.84 and 430,392.24 is: 645,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,994.04 : 812,697.84 = 430,392.24 : x
  2. Step 2: Convert to fraction form
    541,994.04/812,697.84 = 430,392.24/x
  3. Step 3: Cross multiply
    541,994.04x = 812,697.84 × 430,392.24
  4. Step 4: Simplify right side
    541,994.04x = 349,778,843,800.76
  5. Step 5: Solve for x
    x = 349,778,843,800.76/541,994.04
  6. Step 6: Final answer
    x = 645,355.52

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Similar ratio
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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.