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Finding the Fourth Proportional to 565,116.90, 848,331.45 and 325,421.70

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Solution

The fourth proportional to 565,116.90, 848,331.45 and 325,421.70 is: 488,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,116.90 : 848,331.45 = 325,421.70 : x
  2. Step 2: Convert to fraction form
    565,116.90/848,331.45 = 325,421.70/x
  3. Step 3: Cross multiply
    565,116.90x = 848,331.45 × 325,421.70
  4. Step 4: Simplify right side
    565,116.90x = 276,065,462,622.47
  5. Step 5: Solve for x
    x = 276,065,462,622.47/565,116.90
  6. Step 6: Final answer
    x = 488,510.36

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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.