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Finding the Fourth Proportional to 562,437.42, 776,161.59 and 304,313.58

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Solution

The fourth proportional to 562,437.42, 776,161.59 and 304,313.58 is: 419,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,437.42 : 776,161.59 = 304,313.58 : x
  2. Step 2: Convert to fraction form
    562,437.42/776,161.59 = 304,313.58/x
  3. Step 3: Cross multiply
    562,437.42x = 776,161.59 × 304,313.58
  4. Step 4: Simplify right side
    562,437.42x = 236,196,512,111.39
  5. Step 5: Solve for x
    x = 236,196,512,111.39/562,437.42
  6. Step 6: Final answer
    x = 419,951.63

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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.