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Finding the Fourth Proportional to 546,410.98, 754,051.44 and 304,709.20

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Solution

The fourth proportional to 546,410.98, 754,051.44 and 304,709.20 is: 420,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,410.98 : 754,051.44 = 304,709.20 : x
  2. Step 2: Convert to fraction form
    546,410.98/754,051.44 = 304,709.20/x
  3. Step 3: Cross multiply
    546,410.98x = 754,051.44 × 304,709.20
  4. Step 4: Simplify right side
    546,410.98x = 229,766,411,041.25
  5. Step 5: Solve for x
    x = 229,766,411,041.25/546,410.98
  6. Step 6: Final answer
    x = 420,501.09

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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.