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Finding the Fourth Proportional to 173,868,312.40, 260,802,468.60 and 171,600,830.80

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Solution

The fourth proportional to 173,868,312.40, 260,802,468.60 and 171,600,830.80 is: 257,401,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,312.40 : 260,802,468.60 = 171,600,830.80 : x
  2. Step 2: Convert to fraction form
    173,868,312.40/260,802,468.60 = 171,600,830.80/x
  3. Step 3: Cross multiply
    173,868,312.40x = 260,802,468.60 × 171,600,830.80
  4. Step 4: Simplify right side
    173,868,312.40x = 44,753,920,286,450,912
  5. Step 5: Solve for x
    x = 44,753,920,286,450,912/173,868,312.40
  6. Step 6: Final answer
    x = 257,401,246.20

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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.