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Finding the Fourth Proportional to 658,924.40, 988,386.60 and 185,603.60

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Solution

The fourth proportional to 658,924.40, 988,386.60 and 185,603.60 is: 278,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,924.40 : 988,386.60 = 185,603.60 : x
  2. Step 2: Convert to fraction form
    658,924.40/988,386.60 = 185,603.60/x
  3. Step 3: Cross multiply
    658,924.40x = 988,386.60 × 185,603.60
  4. Step 4: Simplify right side
    658,924.40x = 183,448,111,151.76
  5. Step 5: Solve for x
    x = 183,448,111,151.76/658,924.40
  6. Step 6: Final answer
    x = 278,405.40

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Similar ratio
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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.