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Finding the Fourth Proportional to 562,119.12, 776,045.34 and 371,684.88

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Solution

The fourth proportional to 562,119.12, 776,045.34 and 371,684.88 is: 513,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,119.12 : 776,045.34 = 371,684.88 : x
  2. Step 2: Convert to fraction form
    562,119.12/776,045.34 = 371,684.88/x
  3. Step 3: Cross multiply
    562,119.12x = 776,045.34 × 371,684.88
  4. Step 4: Simplify right side
    562,119.12x = 288,444,319,072.46
  5. Step 5: Solve for x
    x = 288,444,319,072.46/562,119.12
  6. Step 6: Final answer
    x = 513,137.36

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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.