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Finding the Fourth Proportional to 633,073.46, 873,643.93 and 346,620.20

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Solution

The fourth proportional to 633,073.46, 873,643.93 and 346,620.20 is: 478,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,073.46 : 873,643.93 = 346,620.20 : x
  2. Step 2: Convert to fraction form
    633,073.46/873,643.93 = 346,620.20/x
  3. Step 3: Cross multiply
    633,073.46x = 873,643.93 × 346,620.20
  4. Step 4: Simplify right side
    633,073.46x = 302,822,628,510.62
  5. Step 5: Solve for x
    x = 302,822,628,510.62/633,073.46
  6. Step 6: Final answer
    x = 478,337.27

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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.