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Finding the Fourth Proportional to 555,089,345.94, 766,024,197.72 and 304,153,862.60

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Solution

The fourth proportional to 555,089,345.94, 766,024,197.72 and 304,153,862.60 is: 419,732,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,089,345.94 : 766,024,197.72 = 304,153,862.60 : x
  2. Step 2: Convert to fraction form
    555,089,345.94/766,024,197.72 = 304,153,862.60/x
  3. Step 3: Cross multiply
    555,089,345.94x = 766,024,197.72 × 304,153,862.60
  4. Step 4: Simplify right side
    555,089,345.94x = 232,989,218,581,604,128
  5. Step 5: Solve for x
    x = 232,989,218,581,604,128/555,089,345.94
  6. Step 6: Final answer
    x = 419,732,823.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.