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Finding the Fourth Proportional to 353,459.60, 530,271.42 and 116,787.93

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Solution

The fourth proportional to 353,459.60, 530,271.42 and 116,787.93 is: 175,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,459.60 : 530,271.42 = 116,787.93 : x
  2. Step 2: Convert to fraction form
    353,459.60/530,271.42 = 116,787.93/x
  3. Step 3: Cross multiply
    353,459.60x = 530,271.42 × 116,787.93
  4. Step 4: Simplify right side
    353,459.60x = 61,929,299,053.49
  5. Step 5: Solve for x
    x = 61,929,299,053.49/353,459.60
  6. Step 6: Final answer
    x = 175,208.99

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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.