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Finding the Fourth Proportional to 562,674.84, 776,492.58 and 308,042.40

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Solution

The fourth proportional to 562,674.84, 776,492.58 and 308,042.40 is: 425,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,674.84 : 776,492.58 = 308,042.40 : x
  2. Step 2: Convert to fraction form
    562,674.84/776,492.58 = 308,042.40/x
  3. Step 3: Cross multiply
    562,674.84x = 776,492.58 × 308,042.40
  4. Step 4: Simplify right side
    562,674.84x = 239,192,637,925.39
  5. Step 5: Solve for x
    x = 239,192,637,925.39/562,674.84
  6. Step 6: Final answer
    x = 425,099.22

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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.