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Finding the Fourth Proportional to 483,047.08, 666,699.54 and 308,505.16

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Solution

The fourth proportional to 483,047.08, 666,699.54 and 308,505.16 is: 425,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,047.08 : 666,699.54 = 308,505.16 : x
  2. Step 2: Convert to fraction form
    483,047.08/666,699.54 = 308,505.16/x
  3. Step 3: Cross multiply
    483,047.08x = 666,699.54 × 308,505.16
  4. Step 4: Simplify right side
    483,047.08x = 205,680,248,259.63
  5. Step 5: Solve for x
    x = 205,680,248,259.63/483,047.08
  6. Step 6: Final answer
    x = 425,797.52

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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.