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Finding the Fourth Proportional to 562,506.80, 776,253.92 and 304,378.07

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Solution

The fourth proportional to 562,506.80, 776,253.92 and 304,378.07 is: 420,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,506.80 : 776,253.92 = 304,378.07 : x
  2. Step 2: Convert to fraction form
    562,506.80/776,253.92 = 304,378.07/x
  3. Step 3: Cross multiply
    562,506.80x = 776,253.92 × 304,378.07
  4. Step 4: Simplify right side
    562,506.80x = 236,274,664,596.37
  5. Step 5: Solve for x
    x = 236,274,664,596.37/562,506.80
  6. Step 6: Final answer
    x = 420,038.77

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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.