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Finding the Fourth Proportional to 450,053.39, 621,048.54 and 246,063.70

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Solution

The fourth proportional to 450,053.39, 621,048.54 and 246,063.70 is: 339,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,053.39 : 621,048.54 = 246,063.70 : x
  2. Step 2: Convert to fraction form
    450,053.39/621,048.54 = 246,063.70/x
  3. Step 3: Cross multiply
    450,053.39x = 621,048.54 × 246,063.70
  4. Step 4: Simplify right side
    450,053.39x = 152,817,500,892.29
  5. Step 5: Solve for x
    x = 152,817,500,892.29/450,053.39
  6. Step 6: Final answer
    x = 339,554.16

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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.