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Finding the Fourth Proportional to 539,111.10, 808,666.65 and 444,632.70

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Solution

The fourth proportional to 539,111.10, 808,666.65 and 444,632.70 is: 666,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,111.10 : 808,666.65 = 444,632.70 : x
  2. Step 2: Convert to fraction form
    539,111.10/808,666.65 = 444,632.70/x
  3. Step 3: Cross multiply
    539,111.10x = 808,666.65 × 444,632.70
  4. Step 4: Simplify right side
    539,111.10x = 359,559,635,989.46
  5. Step 5: Solve for x
    x = 359,559,635,989.46/539,111.10
  6. Step 6: Final answer
    x = 666,949.05

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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.