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Finding the Fourth Proportional to 476,536.54, 718,151.57 and 429,210.94

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Solution

The fourth proportional to 476,536.54, 718,151.57 and 429,210.94 is: 646,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,536.54 : 718,151.57 = 429,210.94 : x
  2. Step 2: Convert to fraction form
    476,536.54/718,151.57 = 429,210.94/x
  3. Step 3: Cross multiply
    476,536.54x = 718,151.57 × 429,210.94
  4. Step 4: Simplify right side
    476,536.54x = 308,238,510,422.18
  5. Step 5: Solve for x
    x = 308,238,510,422.18/476,536.54
  6. Step 6: Final answer
    x = 646,830.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.