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Finding the Fourth Proportional to 454,228.08, 626,909.40 and 253,088.88

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Solution

The fourth proportional to 454,228.08, 626,909.40 and 253,088.88 is: 349,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,228.08 : 626,909.40 = 253,088.88 : x
  2. Step 2: Convert to fraction form
    454,228.08/626,909.40 = 253,088.88/x
  3. Step 3: Cross multiply
    454,228.08x = 626,909.40 × 253,088.88
  4. Step 4: Simplify right side
    454,228.08x = 158,663,797,907.47
  5. Step 5: Solve for x
    x = 158,663,797,907.47/454,228.08
  6. Step 6: Final answer
    x = 349,304.25

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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.