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Finding the Fourth Proportional to 633,012.33, 873,572.40 and 346,531.53

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Solution

The fourth proportional to 633,012.33, 873,572.40 and 346,531.53 is: 478,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,012.33 : 873,572.40 = 346,531.53 : x
  2. Step 2: Convert to fraction form
    633,012.33/873,572.40 = 346,531.53/x
  3. Step 3: Cross multiply
    633,012.33x = 873,572.40 × 346,531.53
  4. Step 4: Simplify right side
    633,012.33x = 302,720,380,337.77
  5. Step 5: Solve for x
    x = 302,720,380,337.77/633,012.33
  6. Step 6: Final answer
    x = 478,221.93

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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.