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Finding the Fourth Proportional to 508,509.23, 762,887.16 and 153,502.04

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Solution

The fourth proportional to 508,509.23, 762,887.16 and 153,502.04 is: 230,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,509.23 : 762,887.16 = 153,502.04 : x
  2. Step 2: Convert to fraction form
    508,509.23/762,887.16 = 153,502.04/x
  3. Step 3: Cross multiply
    508,509.23x = 762,887.16 × 153,502.04
  4. Step 4: Simplify right side
    508,509.23x = 117,104,735,349.81
  5. Step 5: Solve for x
    x = 117,104,735,349.81/508,509.23
  6. Step 6: Final answer
    x = 230,290.28

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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.