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Finding the Fourth Proportional to 452,192.40, 677,705.40 and 346,487.40

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Solution

The fourth proportional to 452,192.40, 677,705.40 and 346,487.40 is: 519,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,192.40 : 677,705.40 = 346,487.40 : x
  2. Step 2: Convert to fraction form
    452,192.40/677,705.40 = 346,487.40/x
  3. Step 3: Cross multiply
    452,192.40x = 677,705.40 × 346,487.40
  4. Step 4: Simplify right side
    452,192.40x = 234,816,382,011.96
  5. Step 5: Solve for x
    x = 234,816,382,011.96/452,192.40
  6. Step 6: Final answer
    x = 519,284.23

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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.