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Finding the Fourth Proportional to 477,210.16, 715,290.32 and 196,574.32

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Solution

The fourth proportional to 477,210.16, 715,290.32 and 196,574.32 is: 294,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,210.16 : 715,290.32 = 196,574.32 : x
  2. Step 2: Convert to fraction form
    477,210.16/715,290.32 = 196,574.32/x
  3. Step 3: Cross multiply
    477,210.16x = 715,290.32 × 196,574.32
  4. Step 4: Simplify right side
    477,210.16x = 140,607,708,256.58
  5. Step 5: Solve for x
    x = 140,607,708,256.58/477,210.16
  6. Step 6: Final answer
    x = 294,645.25

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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.