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Finding the Fourth Proportional to 651,837.60, 977,756.40 and 368,402.40

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Solution

The fourth proportional to 651,837.60, 977,756.40 and 368,402.40 is: 552,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,837.60 : 977,756.40 = 368,402.40 : x
  2. Step 2: Convert to fraction form
    651,837.60/977,756.40 = 368,402.40/x
  3. Step 3: Cross multiply
    651,837.60x = 977,756.40 × 368,402.40
  4. Step 4: Simplify right side
    651,837.60x = 360,207,804,375.36
  5. Step 5: Solve for x
    x = 360,207,804,375.36/651,837.60
  6. Step 6: Final answer
    x = 552,603.60

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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.