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Finding the Fourth Proportional to 282,673,094.40, 424,009,641.60 and 265,652,985.60

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Solution

The fourth proportional to 282,673,094.40, 424,009,641.60 and 265,652,985.60 is: 398,479,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,673,094.40 : 424,009,641.60 = 265,652,985.60 : x
  2. Step 2: Convert to fraction form
    282,673,094.40/424,009,641.60 = 265,652,985.60/x
  3. Step 3: Cross multiply
    282,673,094.40x = 424,009,641.60 × 265,652,985.60
  4. Step 4: Simplify right side
    282,673,094.40x = 112,639,427,214,225,968
  5. Step 5: Solve for x
    x = 112,639,427,214,225,968/282,673,094.40
  6. Step 6: Final answer
    x = 398,479,478.40

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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.