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Finding the Fourth Proportional to 628,052.40, 942,078.60 and 595,575.45

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Solution

The fourth proportional to 628,052.40, 942,078.60 and 595,575.45 is: 893,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,052.40 : 942,078.60 = 595,575.45 : x
  2. Step 2: Convert to fraction form
    628,052.40/942,078.60 = 595,575.45/x
  3. Step 3: Cross multiply
    628,052.40x = 942,078.60 × 595,575.45
  4. Step 4: Simplify right side
    628,052.40x = 561,078,886,130.37
  5. Step 5: Solve for x
    x = 561,078,886,130.37/628,052.40
  6. Step 6: Final answer
    x = 893,363.18

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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.