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Finding the Fourth Proportional to 411,328.80, 616,701.60 and 158,511.60

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Solution

The fourth proportional to 411,328.80, 616,701.60 and 158,511.60 is: 237,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,328.80 : 616,701.60 = 158,511.60 : x
  2. Step 2: Convert to fraction form
    411,328.80/616,701.60 = 158,511.60/x
  3. Step 3: Cross multiply
    411,328.80x = 616,701.60 × 158,511.60
  4. Step 4: Simplify right side
    411,328.80x = 97,754,357,338.56
  5. Step 5: Solve for x
    x = 97,754,357,338.56/411,328.80
  6. Step 6: Final answer
    x = 237,655.03

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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.