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Finding the Fourth Proportional to 446,298.60, 615,685.62 and 264,907.20

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Solution

The fourth proportional to 446,298.60, 615,685.62 and 264,907.20 is: 365,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,298.60 : 615,685.62 = 264,907.20 : x
  2. Step 2: Convert to fraction form
    446,298.60/615,685.62 = 264,907.20/x
  3. Step 3: Cross multiply
    446,298.60x = 615,685.62 × 264,907.20
  4. Step 4: Simplify right side
    446,298.60x = 163,099,553,674.46
  5. Step 5: Solve for x
    x = 163,099,553,674.46/446,298.60
  6. Step 6: Final answer
    x = 365,449.40

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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.