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Finding the Fourth Proportional to 562,740.34, 776,690.96 and 426,536.72

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Solution

The fourth proportional to 562,740.34, 776,690.96 and 426,536.72 is: 588,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,740.34 : 776,690.96 = 426,536.72 : x
  2. Step 2: Convert to fraction form
    562,740.34/776,690.96 = 426,536.72/x
  3. Step 3: Cross multiply
    562,740.34x = 776,690.96 × 426,536.72
  4. Step 4: Simplify right side
    562,740.34x = 331,287,214,532.05
  5. Step 5: Solve for x
    x = 331,287,214,532.05/562,740.34
  6. Step 6: Final answer
    x = 588,703.51

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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.