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Finding the Fourth Proportional to 633,123.68, 873,710.80 and 346,662.24

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Solution

The fourth proportional to 633,123.68, 873,710.80 and 346,662.24 is: 478,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,123.68 : 873,710.80 = 346,662.24 : x
  2. Step 2: Convert to fraction form
    633,123.68/873,710.80 = 346,662.24/x
  3. Step 3: Cross multiply
    633,123.68x = 873,710.80 × 346,662.24
  4. Step 4: Simplify right side
    633,123.68x = 302,882,543,040.19
  5. Step 5: Solve for x
    x = 302,882,543,040.19/633,123.68
  6. Step 6: Final answer
    x = 478,393.96

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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.