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Finding the Fourth Proportional to 516,152.40, 774,228.60 and 433,483.80

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Solution

The fourth proportional to 516,152.40, 774,228.60 and 433,483.80 is: 650,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,152.40 : 774,228.60 = 433,483.80 : x
  2. Step 2: Convert to fraction form
    516,152.40/774,228.60 = 433,483.80/x
  3. Step 3: Cross multiply
    516,152.40x = 774,228.60 × 433,483.80
  4. Step 4: Simplify right side
    516,152.40x = 335,615,555,596.68
  5. Step 5: Solve for x
    x = 335,615,555,596.68/516,152.40
  6. Step 6: Final answer
    x = 650,225.70

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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.