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Finding the Fourth Proportional to 480,308.32, 720,586.95 and 255,483.64

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Solution

The fourth proportional to 480,308.32, 720,586.95 and 255,483.64 is: 383,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,308.32 : 720,586.95 = 255,483.64 : x
  2. Step 2: Convert to fraction form
    480,308.32/720,586.95 = 255,483.64/x
  3. Step 3: Cross multiply
    480,308.32x = 720,586.95 × 255,483.64
  4. Step 4: Simplify right side
    480,308.32x = 184,098,176,922.50
  5. Step 5: Solve for x
    x = 184,098,176,922.50/480,308.32
  6. Step 6: Final answer
    x = 383,291.67

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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.