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Finding the Fourth Proportional to 473,621.80, 710,259.90 and 236,885.80

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Solution

The fourth proportional to 473,621.80, 710,259.90 and 236,885.80 is: 355,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,621.80 : 710,259.90 = 236,885.80 : x
  2. Step 2: Convert to fraction form
    473,621.80/710,259.90 = 236,885.80/x
  3. Step 3: Cross multiply
    473,621.80x = 710,259.90 × 236,885.80
  4. Step 4: Simplify right side
    473,621.80x = 168,250,484,619.42
  5. Step 5: Solve for x
    x = 168,250,484,619.42/473,621.80
  6. Step 6: Final answer
    x = 355,242.27

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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.