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Finding the Fourth Proportional to 610,017.51, 914,127.03 and 339,773.43

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Solution

The fourth proportional to 610,017.51, 914,127.03 and 339,773.43 is: 509,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,017.51 : 914,127.03 = 339,773.43 : x
  2. Step 2: Convert to fraction form
    610,017.51/914,127.03 = 339,773.43/x
  3. Step 3: Cross multiply
    610,017.51x = 914,127.03 × 339,773.43
  4. Step 4: Simplify right side
    610,017.51x = 310,596,076,438.81
  5. Step 5: Solve for x
    x = 310,596,076,438.81/610,017.51
  6. Step 6: Final answer
    x = 509,159.28

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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.