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Finding the Fourth Proportional to 545,038.70, 816,002.85 and 482,830.70

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Solution

The fourth proportional to 545,038.70, 816,002.85 and 482,830.70 is: 722,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,038.70 : 816,002.85 = 482,830.70 : x
  2. Step 2: Convert to fraction form
    545,038.70/816,002.85 = 482,830.70/x
  3. Step 3: Cross multiply
    545,038.70x = 816,002.85 × 482,830.70
  4. Step 4: Simplify right side
    545,038.70x = 393,991,227,267.50
  5. Step 5: Solve for x
    x = 393,991,227,267.50/545,038.70
  6. Step 6: Final answer
    x = 722,868.35

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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.