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Finding the Fourth Proportional to 410,330.80, 615,409.80 and 173,681.20

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Solution

The fourth proportional to 410,330.80, 615,409.80 and 173,681.20 is: 260,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,330.80 : 615,409.80 = 173,681.20 : x
  2. Step 2: Convert to fraction form
    410,330.80/615,409.80 = 173,681.20/x
  3. Step 3: Cross multiply
    410,330.80x = 615,409.80 × 173,681.20
  4. Step 4: Simplify right side
    410,330.80x = 106,885,112,555.76
  5. Step 5: Solve for x
    x = 106,885,112,555.76/410,330.80
  6. Step 6: Final answer
    x = 260,485.23

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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.