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Finding the Fourth Proportional to 366,515.48, 549,434.95 and 254,248.67

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Solution

The fourth proportional to 366,515.48, 549,434.95 and 254,248.67 is: 381,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,515.48 : 549,434.95 = 254,248.67 : x
  2. Step 2: Convert to fraction form
    366,515.48/549,434.95 = 254,248.67/x
  3. Step 3: Cross multiply
    366,515.48x = 549,434.95 × 254,248.67
  4. Step 4: Simplify right side
    366,515.48x = 139,693,106,026.98
  5. Step 5: Solve for x
    x = 139,693,106,026.98/366,515.48
  6. Step 6: Final answer
    x = 381,138.35

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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.