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Finding the Fourth Proportional to 590,509.14, 814,621.96 and 348,629.67

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Solution

The fourth proportional to 590,509.14, 814,621.96 and 348,629.67 is: 480,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,509.14 : 814,621.96 = 348,629.67 : x
  2. Step 2: Convert to fraction form
    590,509.14/814,621.96 = 348,629.67/x
  3. Step 3: Cross multiply
    590,509.14x = 814,621.96 × 348,629.67
  4. Step 4: Simplify right side
    590,509.14x = 284,001,385,525.34
  5. Step 5: Solve for x
    x = 284,001,385,525.34/590,509.14
  6. Step 6: Final answer
    x = 480,943.25

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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.