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Finding the Fourth Proportional to 410,055.40, 615,083.10 and 373,313.80

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Solution

The fourth proportional to 410,055.40, 615,083.10 and 373,313.80 is: 559,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,055.40 : 615,083.10 = 373,313.80 : x
  2. Step 2: Convert to fraction form
    410,055.40/615,083.10 = 373,313.80/x
  3. Step 3: Cross multiply
    410,055.40x = 615,083.10 × 373,313.80
  4. Step 4: Simplify right side
    410,055.40x = 229,619,009,376.78
  5. Step 5: Solve for x
    x = 229,619,009,376.78/410,055.40
  6. Step 6: Final answer
    x = 559,970.70

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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.