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Finding the Fourth Proportional to 562,826.76, 776,695.37 and 304,696.88

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Solution

The fourth proportional to 562,826.76, 776,695.37 and 304,696.88 is: 420,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,826.76 : 776,695.37 = 304,696.88 : x
  2. Step 2: Convert to fraction form
    562,826.76/776,695.37 = 304,696.88/x
  3. Step 3: Cross multiply
    562,826.76x = 776,695.37 × 304,696.88
  4. Step 4: Simplify right side
    562,826.76x = 236,656,657,599.25
  5. Step 5: Solve for x
    x = 236,656,657,599.25/562,826.76
  6. Step 6: Final answer
    x = 420,478.69

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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.