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Finding the Fourth Proportional to 610,416,323.80, 915,680,472.90 and 201,473,373.40

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Solution

The fourth proportional to 610,416,323.80, 915,680,472.90 and 201,473,373.40 is: 302,228,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,416,323.80 : 915,680,472.90 = 201,473,373.40 : x
  2. Step 2: Convert to fraction form
    610,416,323.80/915,680,472.90 = 201,473,373.40/x
  3. Step 3: Cross multiply
    610,416,323.80x = 915,680,472.90 × 201,473,373.40
  4. Step 4: Simplify right side
    610,416,323.80x = 184,485,233,831,670,272
  5. Step 5: Solve for x
    x = 184,485,233,831,670,272/610,416,323.80
  6. Step 6: Final answer
    x = 302,228,539.18

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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.