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Finding the Fourth Proportional to 602,596,917.60, 903,671,427.60 and 239,016,040.80

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Solution

The fourth proportional to 602,596,917.60, 903,671,427.60 and 239,016,040.80 is: 358,435,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,596,917.60 : 903,671,427.60 = 239,016,040.80 : x
  2. Step 2: Convert to fraction form
    602,596,917.60/903,671,427.60 = 239,016,040.80/x
  3. Step 3: Cross multiply
    602,596,917.60x = 903,671,427.60 × 239,016,040.80
  4. Step 4: Simplify right side
    602,596,917.60x = 215,991,966,809,035,872
  5. Step 5: Solve for x
    x = 215,991,966,809,035,872/602,596,917.60
  6. Step 6: Final answer
    x = 358,435,233.40

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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.