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Finding the Fourth Proportional to 615,491.01, 849,519.29 and 360,924.21

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Solution

The fourth proportional to 615,491.01, 849,519.29 and 360,924.21 is: 498,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,491.01 : 849,519.29 = 360,924.21 : x
  2. Step 2: Convert to fraction form
    615,491.01/849,519.29 = 360,924.21/x
  3. Step 3: Cross multiply
    615,491.01x = 849,519.29 × 360,924.21
  4. Step 4: Simplify right side
    615,491.01x = 306,612,079,525.32
  5. Step 5: Solve for x
    x = 306,612,079,525.32/615,491.01
  6. Step 6: Final answer
    x = 498,158.50

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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.