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Finding the Fourth Proportional to 562,293.83, 775,158.41 and 400,868.63

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Solution

The fourth proportional to 562,293.83, 775,158.41 and 400,868.63 is: 552,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,293.83 : 775,158.41 = 400,868.63 : x
  2. Step 2: Convert to fraction form
    562,293.83/775,158.41 = 400,868.63/x
  3. Step 3: Cross multiply
    562,293.83x = 775,158.41 × 400,868.63
  4. Step 4: Simplify right side
    562,293.83x = 310,736,686,876.39
  5. Step 5: Solve for x
    x = 310,736,686,876.39/562,293.83
  6. Step 6: Final answer
    x = 552,623.32

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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.