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Finding the Fourth Proportional to 554,560.98, 831,841.62 and 155,260.58

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Solution

The fourth proportional to 554,560.98, 831,841.62 and 155,260.58 is: 232,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,560.98 : 831,841.62 = 155,260.58 : x
  2. Step 2: Convert to fraction form
    554,560.98/831,841.62 = 155,260.58/x
  3. Step 3: Cross multiply
    554,560.98x = 831,841.62 × 155,260.58
  4. Step 4: Simplify right side
    554,560.98x = 129,152,212,389.34
  5. Step 5: Solve for x
    x = 129,152,212,389.34/554,560.98
  6. Step 6: Final answer
    x = 232,890.91

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1.5x scale

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.