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Finding the Fourth Proportional to 283,477,368.40, 425,216,052.60 and 191,644,363.60

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Solution

The fourth proportional to 283,477,368.40, 425,216,052.60 and 191,644,363.60 is: 287,466,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,477,368.40 : 425,216,052.60 = 191,644,363.60 : x
  2. Step 2: Convert to fraction form
    283,477,368.40/425,216,052.60 = 191,644,363.60/x
  3. Step 3: Cross multiply
    283,477,368.40x = 425,216,052.60 × 191,644,363.60
  4. Step 4: Simplify right side
    283,477,368.40x = 81,490,259,793,031,120
  5. Step 5: Solve for x
    x = 81,490,259,793,031,120/283,477,368.40
  6. Step 6: Final answer
    x = 287,466,545.40

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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.