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Finding the Fourth Proportional to 626,737.60, 940,106.40 and 602,243.20

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Solution

The fourth proportional to 626,737.60, 940,106.40 and 602,243.20 is: 903,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,737.60 : 940,106.40 = 602,243.20 : x
  2. Step 2: Convert to fraction form
    626,737.60/940,106.40 = 602,243.20/x
  3. Step 3: Cross multiply
    626,737.60x = 940,106.40 × 602,243.20
  4. Step 4: Simplify right side
    626,737.60x = 566,172,686,676.48
  5. Step 5: Solve for x
    x = 566,172,686,676.48/626,737.60
  6. Step 6: Final answer
    x = 903,364.80

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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.