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Finding the Fourth Proportional to 473,612.80, 710,419.20 and 341,420.80

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Solution

The fourth proportional to 473,612.80, 710,419.20 and 341,420.80 is: 512,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,612.80 : 710,419.20 = 341,420.80 : x
  2. Step 2: Convert to fraction form
    473,612.80/710,419.20 = 341,420.80/x
  3. Step 3: Cross multiply
    473,612.80x = 710,419.20 × 341,420.80
  4. Step 4: Simplify right side
    473,612.80x = 242,551,891,599.36
  5. Step 5: Solve for x
    x = 242,551,891,599.36/473,612.80
  6. Step 6: Final answer
    x = 512,131.20

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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.