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Finding the Fourth Proportional to 417,533.16, 626,303.58 and 133,266.92

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Solution

The fourth proportional to 417,533.16, 626,303.58 and 133,266.92 is: 199,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,533.16 : 626,303.58 = 133,266.92 : x
  2. Step 2: Convert to fraction form
    417,533.16/626,303.58 = 133,266.92/x
  3. Step 3: Cross multiply
    417,533.16x = 626,303.58 × 133,266.92
  4. Step 4: Simplify right side
    417,533.16x = 83,465,549,091.57
  5. Step 5: Solve for x
    x = 83,465,549,091.57/417,533.16
  6. Step 6: Final answer
    x = 199,901.61

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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.