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Finding the Fourth Proportional to 477,011.22, 715,509.54 and 122,022.24

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Solution

The fourth proportional to 477,011.22, 715,509.54 and 122,022.24 is: 183,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,011.22 : 715,509.54 = 122,022.24 : x
  2. Step 2: Convert to fraction form
    477,011.22/715,509.54 = 122,022.24/x
  3. Step 3: Cross multiply
    477,011.22x = 715,509.54 × 122,022.24
  4. Step 4: Simplify right side
    477,011.22x = 87,308,076,812.17
  5. Step 5: Solve for x
    x = 87,308,076,812.17/477,011.22
  6. Step 6: Final answer
    x = 183,031.50

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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.