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Finding the Fourth Proportional to 612,847.80, 918,637.68 and 233,666.52

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Solution

The fourth proportional to 612,847.80, 918,637.68 and 233,666.52 is: 350,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,847.80 : 918,637.68 = 233,666.52 : x
  2. Step 2: Convert to fraction form
    612,847.80/918,637.68 = 233,666.52/x
  3. Step 3: Cross multiply
    612,847.80x = 918,637.68 × 233,666.52
  4. Step 4: Simplify right side
    612,847.80x = 214,654,869,826.47
  5. Step 5: Solve for x
    x = 214,654,869,826.47/612,847.80
  6. Step 6: Final answer
    x = 350,258.04

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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.