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Finding the Fourth Proportional to 454,094.58, 626,603.38 and 279,637.05

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Solution

The fourth proportional to 454,094.58, 626,603.38 and 279,637.05 is: 385,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,094.58 : 626,603.38 = 279,637.05 : x
  2. Step 2: Convert to fraction form
    454,094.58/626,603.38 = 279,637.05/x
  3. Step 3: Cross multiply
    454,094.58x = 626,603.38 × 279,637.05
  4. Step 4: Simplify right side
    454,094.58x = 175,221,520,703.23
  5. Step 5: Solve for x
    x = 175,221,520,703.23/454,094.58
  6. Step 6: Final answer
    x = 385,870.10

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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.