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Finding the Fourth Proportional to 546,410.28, 754,055.85 and 301,423.08

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Solution

The fourth proportional to 546,410.28, 754,055.85 and 301,423.08 is: 415,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,410.28 : 754,055.85 = 301,423.08 : x
  2. Step 2: Convert to fraction form
    546,410.28/754,055.85 = 301,423.08/x
  3. Step 3: Cross multiply
    546,410.28x = 754,055.85 × 301,423.08
  4. Step 4: Simplify right side
    546,410.28x = 227,289,836,799.02
  5. Step 5: Solve for x
    x = 227,289,836,799.02/546,410.28
  6. Step 6: Final answer
    x = 415,969.18

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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.