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Finding the Fourth Proportional to 562,697.33, 776,019.36 and 410,091.20

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Solution

The fourth proportional to 562,697.33, 776,019.36 and 410,091.20 is: 565,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,697.33 : 776,019.36 = 410,091.20 : x
  2. Step 2: Convert to fraction form
    562,697.33/776,019.36 = 410,091.20/x
  3. Step 3: Cross multiply
    562,697.33x = 776,019.36 × 410,091.20
  4. Step 4: Simplify right side
    562,697.33x = 318,238,714,345.18
  5. Step 5: Solve for x
    x = 318,238,714,345.18/562,697.33
  6. Step 6: Final answer
    x = 565,559.31

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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.