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Finding the Fourth Proportional to 445,633.69, 615,053.10 and 264,445.52

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Solution

The fourth proportional to 445,633.69, 615,053.10 and 264,445.52 is: 364,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,633.69 : 615,053.10 = 264,445.52 : x
  2. Step 2: Convert to fraction form
    445,633.69/615,053.10 = 264,445.52/x
  3. Step 3: Cross multiply
    445,633.69x = 615,053.10 × 264,445.52
  4. Step 4: Simplify right side
    445,633.69x = 162,648,036,857.11
  5. Step 5: Solve for x
    x = 162,648,036,857.11/445,633.69
  6. Step 6: Final answer
    x = 364,981.46

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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.