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Finding the Fourth Proportional to 473,486.80, 710,667.60 and 236,999.20

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Solution

The fourth proportional to 473,486.80, 710,667.60 and 236,999.20 is: 355,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,486.80 : 710,667.60 = 236,999.20 : x
  2. Step 2: Convert to fraction form
    473,486.80/710,667.60 = 236,999.20/x
  3. Step 3: Cross multiply
    473,486.80x = 710,667.60 × 236,999.20
  4. Step 4: Simplify right side
    473,486.80x = 168,427,652,665.92
  5. Step 5: Solve for x
    x = 168,427,652,665.92/473,486.80
  6. Step 6: Final answer
    x = 355,717.74

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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.