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Finding the Fourth Proportional to 283,284,909.60, 424,927,364.40 and 168,210,218.40

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Solution

The fourth proportional to 283,284,909.60, 424,927,364.40 and 168,210,218.40 is: 252,315,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,284,909.60 : 424,927,364.40 = 168,210,218.40 : x
  2. Step 2: Convert to fraction form
    283,284,909.60/424,927,364.40 = 168,210,218.40/x
  3. Step 3: Cross multiply
    283,284,909.60x = 424,927,364.40 × 168,210,218.40
  4. Step 4: Simplify right side
    283,284,909.60x = 71,477,124,769,860,384
  5. Step 5: Solve for x
    x = 71,477,124,769,860,384/283,284,909.60
  6. Step 6: Final answer
    x = 252,315,327.60

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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.