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Finding the Fourth Proportional to 633,225.56, 873,818.69 and 346,690.22

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Solution

The fourth proportional to 633,225.56, 873,818.69 and 346,690.22 is: 478,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,225.56 : 873,818.69 = 346,690.22 : x
  2. Step 2: Convert to fraction form
    633,225.56/873,818.69 = 346,690.22/x
  3. Step 3: Cross multiply
    633,225.56x = 873,818.69 × 346,690.22
  4. Step 4: Simplify right side
    633,225.56x = 302,944,387,773.67
  5. Step 5: Solve for x
    x = 302,944,387,773.67/633,225.56
  6. Step 6: Final answer
    x = 478,414.66

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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.