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Finding the Fourth Proportional to 562,485.06, 776,230.70 and 307,852.65

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Solution

The fourth proportional to 562,485.06, 776,230.70 and 307,852.65 is: 424,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,485.06 : 776,230.70 = 307,852.65 : x
  2. Step 2: Convert to fraction form
    562,485.06/776,230.70 = 307,852.65/x
  3. Step 3: Cross multiply
    562,485.06x = 776,230.70 × 307,852.65
  4. Step 4: Simplify right side
    562,485.06x = 238,964,676,467.09
  5. Step 5: Solve for x
    x = 238,964,676,467.09/562,485.06
  6. Step 6: Final answer
    x = 424,837.38

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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.