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Finding the Fourth Proportional to 546,430.61, 754,077.52 and 304,728.45

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Solution

The fourth proportional to 546,430.61, 754,077.52 and 304,728.45 is: 420,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,430.61 : 754,077.52 = 304,728.45 : x
  2. Step 2: Convert to fraction form
    546,430.61/754,077.52 = 304,728.45/x
  3. Step 3: Cross multiply
    546,430.61x = 754,077.52 × 304,728.45
  4. Step 4: Simplify right side
    546,430.61x = 229,788,878,622.14
  5. Step 5: Solve for x
    x = 229,788,878,622.14/546,430.61
  6. Step 6: Final answer
    x = 420,527.10

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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.