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Finding the Fourth Proportional to 362,273.55, 546,014.30 and 312,276.03

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Solution

The fourth proportional to 362,273.55, 546,014.30 and 312,276.03 is: 470,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,273.55 : 546,014.30 = 312,276.03 : x
  2. Step 2: Convert to fraction form
    362,273.55/546,014.30 = 312,276.03/x
  3. Step 3: Cross multiply
    362,273.55x = 546,014.30 × 312,276.03
  4. Step 4: Simplify right side
    362,273.55x = 170,507,176,365.85
  5. Step 5: Solve for x
    x = 170,507,176,365.85/362,273.55
  6. Step 6: Final answer
    x = 470,658.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.