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Finding the Fourth Proportional to 545,903.70, 753,402.51 and 304,225.62

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Solution

The fourth proportional to 545,903.70, 753,402.51 and 304,225.62 is: 419,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,903.70 : 753,402.51 = 304,225.62 : x
  2. Step 2: Convert to fraction form
    545,903.70/753,402.51 = 304,225.62/x
  3. Step 3: Cross multiply
    545,903.70x = 753,402.51 × 304,225.62
  4. Step 4: Simplify right side
    545,903.70x = 229,204,345,714.31
  5. Step 5: Solve for x
    x = 229,204,345,714.31/545,903.70
  6. Step 6: Final answer
    x = 419,862.23

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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.