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Finding the Fourth Proportional to 615,216.30, 922,824.45 and 366,384.30

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Solution

The fourth proportional to 615,216.30, 922,824.45 and 366,384.30 is: 549,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,216.30 : 922,824.45 = 366,384.30 : x
  2. Step 2: Convert to fraction form
    615,216.30/922,824.45 = 366,384.30/x
  3. Step 3: Cross multiply
    615,216.30x = 922,824.45 × 366,384.30
  4. Step 4: Simplify right side
    615,216.30x = 338,108,390,136.14
  5. Step 5: Solve for x
    x = 338,108,390,136.14/615,216.30
  6. Step 6: Final answer
    x = 549,576.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.