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Finding the Fourth Proportional to 598,898,258.40, 898,347,387.60 and 366,103,480.80

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Solution

The fourth proportional to 598,898,258.40, 898,347,387.60 and 366,103,480.80 is: 549,155,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,898,258.40 : 898,347,387.60 = 366,103,480.80 : x
  2. Step 2: Convert to fraction form
    598,898,258.40/898,347,387.60 = 366,103,480.80/x
  3. Step 3: Cross multiply
    598,898,258.40x = 898,347,387.60 × 366,103,480.80
  4. Step 4: Simplify right side
    598,898,258.40x = 328,888,105,567,946,752
  5. Step 5: Solve for x
    x = 328,888,105,567,946,752/598,898,258.40
  6. Step 6: Final answer
    x = 549,155,221.20

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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.