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Finding the Fourth Proportional to 434,752.16, 599,328.06 and 305,296.34

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Solution

The fourth proportional to 434,752.16, 599,328.06 and 305,296.34 is: 420,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,752.16 : 599,328.06 = 305,296.34 : x
  2. Step 2: Convert to fraction form
    434,752.16/599,328.06 = 305,296.34/x
  3. Step 3: Cross multiply
    434,752.16x = 599,328.06 × 305,296.34
  4. Step 4: Simplify right side
    434,752.16x = 182,972,663,177.30
  5. Step 5: Solve for x
    x = 182,972,663,177.30/434,752.16
  6. Step 6: Final answer
    x = 420,866.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.