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Finding the Fourth Proportional to 562,580.43, 776,363.47 and 304,457.42

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Solution

The fourth proportional to 562,580.43, 776,363.47 and 304,457.42 is: 420,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,580.43 : 776,363.47 = 304,457.42 : x
  2. Step 2: Convert to fraction form
    562,580.43/776,363.47 = 304,457.42/x
  3. Step 3: Cross multiply
    562,580.43x = 776,363.47 × 304,457.42
  4. Step 4: Simplify right side
    562,580.43x = 236,369,614,415.49
  5. Step 5: Solve for x
    x = 236,369,614,415.49/562,580.43
  6. Step 6: Final answer
    x = 420,152.57

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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.