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Finding the Fourth Proportional to 607,100.16, 910,623.24 and 207,776.64

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Solution

The fourth proportional to 607,100.16, 910,623.24 and 207,776.64 is: 311,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,100.16 : 910,623.24 = 207,776.64 : x
  2. Step 2: Convert to fraction form
    607,100.16/910,623.24 = 207,776.64/x
  3. Step 3: Cross multiply
    607,100.16x = 910,623.24 × 207,776.64
  4. Step 4: Simplify right side
    607,100.16x = 189,206,237,113.11
  5. Step 5: Solve for x
    x = 189,206,237,113.11/607,100.16
  6. Step 6: Final answer
    x = 311,655.72

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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.