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Finding the Fourth Proportional to 588,607.09, 812,030.01 and 370,429.27

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Solution

The fourth proportional to 588,607.09, 812,030.01 and 370,429.27 is: 511,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,607.09 : 812,030.01 = 370,429.27 : x
  2. Step 2: Convert to fraction form
    588,607.09/812,030.01 = 370,429.27/x
  3. Step 3: Cross multiply
    588,607.09x = 812,030.01 × 370,429.27
  4. Step 4: Simplify right side
    588,607.09x = 300,799,683,822.39
  5. Step 5: Solve for x
    x = 300,799,683,822.39/588,607.09
  6. Step 6: Final answer
    x = 511,036.46

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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.