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Finding the Fourth Proportional to 633,429.16, 874,101.06 and 346,950.52

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Solution

The fourth proportional to 633,429.16, 874,101.06 and 346,950.52 is: 478,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,429.16 : 874,101.06 = 346,950.52 : x
  2. Step 2: Convert to fraction form
    633,429.16/874,101.06 = 346,950.52/x
  3. Step 3: Cross multiply
    633,429.16x = 874,101.06 × 346,950.52
  4. Step 4: Simplify right side
    633,429.16x = 303,269,817,299.55
  5. Step 5: Solve for x
    x = 303,269,817,299.55/633,429.16
  6. Step 6: Final answer
    x = 478,774.64

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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.