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Finding the Fourth Proportional to 668,532.16, 922,519.56 and 366,726.16

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Solution

The fourth proportional to 668,532.16, 922,519.56 and 366,726.16 is: 506,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,532.16 : 922,519.56 = 366,726.16 : x
  2. Step 2: Convert to fraction form
    668,532.16/922,519.56 = 366,726.16/x
  3. Step 3: Cross multiply
    668,532.16x = 922,519.56 × 366,726.16
  4. Step 4: Simplify right side
    668,532.16x = 338,312,055,763.69
  5. Step 5: Solve for x
    x = 338,312,055,763.69/668,532.16
  6. Step 6: Final answer
    x = 506,052.03

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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.