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Finding the Fourth Proportional to 580,341.31, 870,381.65 and 243,762.01

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Solution

The fourth proportional to 580,341.31, 870,381.65 and 243,762.01 is: 365,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,341.31 : 870,381.65 = 243,762.01 : x
  2. Step 2: Convert to fraction form
    580,341.31/870,381.65 = 243,762.01/x
  3. Step 3: Cross multiply
    580,341.31x = 870,381.65 × 243,762.01
  4. Step 4: Simplify right side
    580,341.31x = 212,165,978,904.57
  5. Step 5: Solve for x
    x = 212,165,978,904.57/580,341.31
  6. Step 6: Final answer
    x = 365,588.28

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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.