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Finding the Fourth Proportional to 427,315,929.60, 599,602,790.40 and 427,315,929.60

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Solution

The fourth proportional to 427,315,929.60, 599,602,790.40 and 427,315,929.60 is: 599,602,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,315,929.60 : 599,602,790.40 = 427,315,929.60 : x
  2. Step 2: Convert to fraction form
    427,315,929.60/599,602,790.40 = 427,315,929.60/x
  3. Step 3: Cross multiply
    427,315,929.60x = 599,602,790.40 × 427,315,929.60
  4. Step 4: Simplify right side
    427,315,929.60x = 256,219,823,770,529,952
  5. Step 5: Solve for x
    x = 256,219,823,770,529,952/427,315,929.60
  6. Step 6: Final answer
    x = 599,602,790.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.