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Finding the Fourth Proportional to 529,130.48, 730,051.80 and 502,536.56

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Solution

The fourth proportional to 529,130.48, 730,051.80 and 502,536.56 is: 693,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,130.48 : 730,051.80 = 502,536.56 : x
  2. Step 2: Convert to fraction form
    529,130.48/730,051.80 = 502,536.56/x
  3. Step 3: Cross multiply
    529,130.48x = 730,051.80 × 502,536.56
  4. Step 4: Simplify right side
    529,130.48x = 366,877,720,193.81
  5. Step 5: Solve for x
    x = 366,877,720,193.81/529,130.48
  6. Step 6: Final answer
    x = 693,359.64

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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.