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Finding the Fourth Proportional to 611,477.01, 842,449.73 and 473,180.34

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Solution

The fourth proportional to 611,477.01, 842,449.73 and 473,180.34 is: 651,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,477.01 : 842,449.73 = 473,180.34 : x
  2. Step 2: Convert to fraction form
    611,477.01/842,449.73 = 473,180.34/x
  3. Step 3: Cross multiply
    611,477.01x = 842,449.73 × 473,180.34
  4. Step 4: Simplify right side
    611,477.01x = 398,630,643,096.16
  5. Step 5: Solve for x
    x = 398,630,643,096.16/611,477.01
  6. Step 6: Final answer
    x = 651,914.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.