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Finding the Fourth Proportional to 434,427.80, 651,641.70 and 360,944.60

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Solution

The fourth proportional to 434,427.80, 651,641.70 and 360,944.60 is: 541,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,427.80 : 651,641.70 = 360,944.60 : x
  2. Step 2: Convert to fraction form
    434,427.80/651,641.70 = 360,944.60/x
  3. Step 3: Cross multiply
    434,427.80x = 651,641.70 × 360,944.60
  4. Step 4: Simplify right side
    434,427.80x = 235,206,552,749.82
  5. Step 5: Solve for x
    x = 235,206,552,749.82/434,427.80
  6. Step 6: Final answer
    x = 541,416.90

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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.