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Finding the Fourth Proportional to 446,235.77, 615,804.98 and 245,031.77

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Solution

The fourth proportional to 446,235.77, 615,804.98 and 245,031.77 is: 338,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,235.77 : 615,804.98 = 245,031.77 : x
  2. Step 2: Convert to fraction form
    446,235.77/615,804.98 = 245,031.77/x
  3. Step 3: Cross multiply
    446,235.77x = 615,804.98 × 245,031.77
  4. Step 4: Simplify right side
    446,235.77x = 150,891,779,920.03
  5. Step 5: Solve for x
    x = 150,891,779,920.03/446,235.77
  6. Step 6: Final answer
    x = 338,143.63

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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.