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Finding the Fourth Proportional to 411,957.10, 577,133.60 and 411,957.10

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Solution

The fourth proportional to 411,957.10, 577,133.60 and 411,957.10 is: 577,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,957.10 : 577,133.60 = 411,957.10 : x
  2. Step 2: Convert to fraction form
    411,957.10/577,133.60 = 411,957.10/x
  3. Step 3: Cross multiply
    411,957.10x = 577,133.60 × 411,957.10
  4. Step 4: Simplify right side
    411,957.10x = 237,754,284,168.56
  5. Step 5: Solve for x
    x = 237,754,284,168.56/411,957.10
  6. Step 6: Final answer
    x = 577,133.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.