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Finding the Fourth Proportional to 436,651.91, 602,530.88 and 245,661.20

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Solution

The fourth proportional to 436,651.91, 602,530.88 and 245,661.20 is: 338,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,651.91 : 602,530.88 = 245,661.20 : x
  2. Step 2: Convert to fraction form
    436,651.91/602,530.88 = 245,661.20/x
  3. Step 3: Cross multiply
    436,651.91x = 602,530.88 × 245,661.20
  4. Step 4: Simplify right side
    436,651.91x = 148,018,454,776.90
  5. Step 5: Solve for x
    x = 148,018,454,776.90/436,651.91
  6. Step 6: Final answer
    x = 338,985.02

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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.