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Finding the Fourth Proportional to 698,070.42, 963,311.67 and 426,592.71

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Solution

The fourth proportional to 698,070.42, 963,311.67 and 426,592.71 is: 588,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,070.42 : 963,311.67 = 426,592.71 : x
  2. Step 2: Convert to fraction form
    698,070.42/963,311.67 = 426,592.71/x
  3. Step 3: Cross multiply
    698,070.42x = 963,311.67 × 426,592.71
  4. Step 4: Simplify right side
    698,070.42x = 410,941,735,879.93
  5. Step 5: Solve for x
    x = 410,941,735,879.93/698,070.42
  6. Step 6: Final answer
    x = 588,682.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.