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Finding the Fourth Proportional to 522,545.76, 783,522.18 and 477,964.98

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Solution

The fourth proportional to 522,545.76, 783,522.18 and 477,964.98 is: 716,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,545.76 : 783,522.18 = 477,964.98 : x
  2. Step 2: Convert to fraction form
    522,545.76/783,522.18 = 477,964.98/x
  3. Step 3: Cross multiply
    522,545.76x = 783,522.18 × 477,964.98
  4. Step 4: Simplify right side
    522,545.76x = 374,496,163,093.26
  5. Step 5: Solve for x
    x = 374,496,163,093.26/522,545.76
  6. Step 6: Final answer
    x = 716,676.30

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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.