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Finding the Fourth Proportional to 606,969.40, 910,454.10 and 207,477.40

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Solution

The fourth proportional to 606,969.40, 910,454.10 and 207,477.40 is: 311,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,969.40 : 910,454.10 = 207,477.40 : x
  2. Step 2: Convert to fraction form
    606,969.40/910,454.10 = 207,477.40/x
  3. Step 3: Cross multiply
    606,969.40x = 910,454.10 × 207,477.40
  4. Step 4: Simplify right side
    606,969.40x = 188,898,649,487.34
  5. Step 5: Solve for x
    x = 188,898,649,487.34/606,969.40
  6. Step 6: Final answer
    x = 311,216.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.