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Finding the Fourth Proportional to 549,812,311.20, 824,718,466.80 and 549,812,311.20

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Solution

The fourth proportional to 549,812,311.20, 824,718,466.80 and 549,812,311.20 is: 824,718,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,812,311.20 : 824,718,466.80 = 549,812,311.20 : x
  2. Step 2: Convert to fraction form
    549,812,311.20/824,718,466.80 = 549,812,311.20/x
  3. Step 3: Cross multiply
    549,812,311.20x = 824,718,466.80 × 549,812,311.20
  4. Step 4: Simplify right side
    549,812,311.20x = 453,440,366,320,628,480
  5. Step 5: Solve for x
    x = 453,440,366,320,628,480/549,812,311.20
  6. Step 6: Final answer
    x = 824,718,466.80

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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.