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Finding the Fourth Proportional to 626,402.40, 939,603.60 and 466,970.10

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Solution

The fourth proportional to 626,402.40, 939,603.60 and 466,970.10 is: 700,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,402.40 : 939,603.60 = 466,970.10 : x
  2. Step 2: Convert to fraction form
    626,402.40/939,603.60 = 466,970.10/x
  3. Step 3: Cross multiply
    626,402.40x = 939,603.60 × 466,970.10
  4. Step 4: Simplify right side
    626,402.40x = 438,766,787,052.36
  5. Step 5: Solve for x
    x = 438,766,787,052.36/626,402.40
  6. Step 6: Final answer
    x = 700,455.15

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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.