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Finding the Fourth Proportional to 418,176.71, 577,072.63 and 246,104.80

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Solution

The fourth proportional to 418,176.71, 577,072.63 and 246,104.80 is: 339,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,176.71 : 577,072.63 = 246,104.80 : x
  2. Step 2: Convert to fraction form
    418,176.71/577,072.63 = 246,104.80/x
  3. Step 3: Cross multiply
    418,176.71x = 577,072.63 × 246,104.80
  4. Step 4: Simplify right side
    418,176.71x = 142,020,340,075.74
  5. Step 5: Solve for x
    x = 142,020,340,075.74/418,176.71
  6. Step 6: Final answer
    x = 339,618.01

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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.