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Finding the Fourth Proportional to 504,141.71, 695,683.10 and 300,207.60

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Solution

The fourth proportional to 504,141.71, 695,683.10 and 300,207.60 is: 414,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,141.71 : 695,683.10 = 300,207.60 : x
  2. Step 2: Convert to fraction form
    504,141.71/695,683.10 = 300,207.60/x
  3. Step 3: Cross multiply
    504,141.71x = 695,683.10 × 300,207.60
  4. Step 4: Simplify right side
    504,141.71x = 208,849,354,562.08
  5. Step 5: Solve for x
    x = 208,849,354,562.08/504,141.71
  6. Step 6: Final answer
    x = 414,267.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.