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Finding the Fourth Proportional to 922,886.40, 1,383,292.80 and 473,433.60

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Solution

The fourth proportional to 922,886.40, 1,383,292.80 and 473,433.60 is: 709,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,886.40 : 1,383,292.80 = 473,433.60 : x
  2. Step 2: Convert to fraction form
    922,886.40/1,383,292.80 = 473,433.60/x
  3. Step 3: Cross multiply
    922,886.40x = 1,383,292.80 × 473,433.60
  4. Step 4: Simplify right side
    922,886.40x = 654,897,290,158.08
  5. Step 5: Solve for x
    x = 654,897,290,158.08/922,886.40
  6. Step 6: Final answer
    x = 709,618.53

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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.