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Finding the Fourth Proportional to 562.94, 776.01 and 430.19

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Solution

The fourth proportional to 562.94, 776.01 and 430.19 is: 593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.94 : 776.01 = 430.19 : x
  2. Step 2: Convert to fraction form
    562.94/776.01 = 430.19/x
  3. Step 3: Cross multiply
    562.94x = 776.01 × 430.19
  4. Step 4: Simplify right side
    562.94x = 333,827.86
  5. Step 5: Solve for x
    x = 333,827.86/562.94
  6. Step 6: Final answer
    x = 593.01

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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.