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Finding the Fourth Proportional to 519,346.64, 777,501.47 and 469,541.36

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Solution

The fourth proportional to 519,346.64, 777,501.47 and 469,541.36 is: 702,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,346.64 : 777,501.47 = 469,541.36 : x
  2. Step 2: Convert to fraction form
    519,346.64/777,501.47 = 469,541.36/x
  3. Step 3: Cross multiply
    519,346.64x = 777,501.47 × 469,541.36
  4. Step 4: Simplify right side
    519,346.64x = 365,069,091,390.59
  5. Step 5: Solve for x
    x = 365,069,091,390.59/519,346.64
  6. Step 6: Final answer
    x = 702,939.17

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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.