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Finding the Fourth Proportional to 366,959.70, 549,783.45 and 310,535.10

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Solution

The fourth proportional to 366,959.70, 549,783.45 and 310,535.10 is: 465,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.70 : 549,783.45 = 310,535.10 : x
  2. Step 2: Convert to fraction form
    366,959.70/549,783.45 = 310,535.10/x
  3. Step 3: Cross multiply
    366,959.70x = 549,783.45 × 310,535.10
  4. Step 4: Simplify right side
    366,959.70x = 170,727,058,624.10
  5. Step 5: Solve for x
    x = 170,727,058,624.10/366,959.70
  6. Step 6: Final answer
    x = 465,247.43

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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.