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Finding the Fourth Proportional to 371,338.02, 512,530.74 and 235,559.34

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Solution

The fourth proportional to 371,338.02, 512,530.74 and 235,559.34 is: 325,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,338.02 : 512,530.74 = 235,559.34 : x
  2. Step 2: Convert to fraction form
    371,338.02/512,530.74 = 235,559.34/x
  3. Step 3: Cross multiply
    371,338.02x = 512,530.74 × 235,559.34
  4. Step 4: Simplify right side
    371,338.02x = 120,731,402,844.11
  5. Step 5: Solve for x
    x = 120,731,402,844.11/371,338.02
  6. Step 6: Final answer
    x = 325,125.35

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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.