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Finding the Fourth Proportional to 529,809,690.93, 731,137,376.07 and 294,915,841.67

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Solution

The fourth proportional to 529,809,690.93, 731,137,376.07 and 294,915,841.67 is: 406,983,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,809,690.93 : 731,137,376.07 = 294,915,841.67 : x
  2. Step 2: Convert to fraction form
    529,809,690.93/731,137,376.07 = 294,915,841.67/x
  3. Step 3: Cross multiply
    529,809,690.93x = 731,137,376.07 × 294,915,841.67
  4. Step 4: Simplify right side
    529,809,690.93x = 215,623,994,636,423,712
  5. Step 5: Solve for x
    x = 215,623,994,636,423,712/529,809,690.93
  6. Step 6: Final answer
    x = 406,983,862.94

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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.