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Finding the Fourth Proportional to 546,409.68, 753,999.48 and 304,673.28

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Solution

The fourth proportional to 546,409.68, 753,999.48 and 304,673.28 is: 420,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,409.68 : 753,999.48 = 304,673.28 : x
  2. Step 2: Convert to fraction form
    546,409.68/753,999.48 = 304,673.28/x
  3. Step 3: Cross multiply
    546,409.68x = 753,999.48 × 304,673.28
  4. Step 4: Simplify right side
    546,409.68x = 229,723,494,689.89
  5. Step 5: Solve for x
    x = 229,723,494,689.89/546,409.68
  6. Step 6: Final answer
    x = 420,423.55

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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.