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Finding the Fourth Proportional to 262,827,792.98, 393,963,674.98 and 98,994,663.76

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Solution

The fourth proportional to 262,827,792.98, 393,963,674.98 and 98,994,663.76 is: 148,387,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,827,792.98 : 393,963,674.98 = 98,994,663.76 : x
  2. Step 2: Convert to fraction form
    262,827,792.98/393,963,674.98 = 98,994,663.76/x
  3. Step 3: Cross multiply
    262,827,792.98x = 393,963,674.98 × 98,994,663.76
  4. Step 4: Simplify right side
    262,827,792.98x = 39,000,301,538,299,032
  5. Step 5: Solve for x
    x = 39,000,301,538,299,032/262,827,792.98
  6. Step 6: Final answer
    x = 148,387,280.87

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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.