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Finding the Fourth Proportional to 612,166.24, 918,302.16 and 168,934.24

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Solution

The fourth proportional to 612,166.24, 918,302.16 and 168,934.24 is: 253,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,166.24 : 918,302.16 = 168,934.24 : x
  2. Step 2: Convert to fraction form
    612,166.24/918,302.16 = 168,934.24/x
  3. Step 3: Cross multiply
    612,166.24x = 918,302.16 × 168,934.24
  4. Step 4: Simplify right side
    612,166.24x = 155,132,677,489.96
  5. Step 5: Solve for x
    x = 155,132,677,489.96/612,166.24
  6. Step 6: Final answer
    x = 253,415.93

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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.