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Finding the Fourth Proportional to 562,436.63, 776,524.71 and 501,903.20

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Solution

The fourth proportional to 562,436.63, 776,524.71 and 501,903.20 is: 692,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,436.63 : 776,524.71 = 501,903.20 : x
  2. Step 2: Convert to fraction form
    562,436.63/776,524.71 = 501,903.20/x
  3. Step 3: Cross multiply
    562,436.63x = 776,524.71 × 501,903.20
  4. Step 4: Simplify right side
    562,436.63x = 389,740,230,435.93
  5. Step 5: Solve for x
    x = 389,740,230,435.93/562,436.63
  6. Step 6: Final answer
    x = 692,949.59

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Double scale
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Similar ratio
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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.