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Finding the Fourth Proportional to 562,766.16, 776,586.54 and 308,068.08

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Solution

The fourth proportional to 562,766.16, 776,586.54 and 308,068.08 is: 425,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,766.16 : 776,586.54 = 308,068.08 : x
  2. Step 2: Convert to fraction form
    562,766.16/776,586.54 = 308,068.08/x
  3. Step 3: Cross multiply
    562,766.16x = 776,586.54 × 308,068.08
  4. Step 4: Simplify right side
    562,766.16x = 239,241,524,331.64
  5. Step 5: Solve for x
    x = 239,241,524,331.64/562,766.16
  6. Step 6: Final answer
    x = 425,117.11

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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.