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Finding the Fourth Proportional to 562,851.12, 776,735.76 and 304,730.76

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Solution

The fourth proportional to 562,851.12, 776,735.76 and 304,730.76 is: 420,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,851.12 : 776,735.76 = 304,730.76 : x
  2. Step 2: Convert to fraction form
    562,851.12/776,735.76 = 304,730.76/x
  3. Step 3: Cross multiply
    562,851.12x = 776,735.76 × 304,730.76
  4. Step 4: Simplify right side
    562,851.12x = 236,695,278,463.98
  5. Step 5: Solve for x
    x = 236,695,278,463.98/562,851.12
  6. Step 6: Final answer
    x = 420,529.11

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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.