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Finding the Fourth Proportional to 304,402,424.40, 455,847,809.40 and 243,936,248.40

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Solution

The fourth proportional to 304,402,424.40, 455,847,809.40 and 243,936,248.40 is: 365,298,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,402,424.40 : 455,847,809.40 = 243,936,248.40 : x
  2. Step 2: Convert to fraction form
    304,402,424.40/455,847,809.40 = 243,936,248.40/x
  3. Step 3: Cross multiply
    304,402,424.40x = 455,847,809.40 × 243,936,248.40
  4. Step 4: Simplify right side
    304,402,424.40x = 111,197,804,466,394,256
  5. Step 5: Solve for x
    x = 111,197,804,466,394,256/304,402,424.40
  6. Step 6: Final answer
    x = 365,298,682.12

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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.