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Finding the Fourth Proportional to 909,970.60, 1,364,955.90 and 610,594.60

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Solution

The fourth proportional to 909,970.60, 1,364,955.90 and 610,594.60 is: 915,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,970.60 : 1,364,955.90 = 610,594.60 : x
  2. Step 2: Convert to fraction form
    909,970.60/1,364,955.90 = 610,594.60/x
  3. Step 3: Cross multiply
    909,970.60x = 1,364,955.90 × 610,594.60
  4. Step 4: Simplify right side
    909,970.60x = 833,434,701,778.14
  5. Step 5: Solve for x
    x = 833,434,701,778.14/909,970.60
  6. Step 6: Final answer
    x = 915,891.90

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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.