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Finding the Fourth Proportional to 589,534.80, 884,302.20 and 339,925.20

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Solution

The fourth proportional to 589,534.80, 884,302.20 and 339,925.20 is: 509,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,534.80 : 884,302.20 = 339,925.20 : x
  2. Step 2: Convert to fraction form
    589,534.80/884,302.20 = 339,925.20/x
  3. Step 3: Cross multiply
    589,534.80x = 884,302.20 × 339,925.20
  4. Step 4: Simplify right side
    589,534.80x = 300,596,602,195.44
  5. Step 5: Solve for x
    x = 300,596,602,195.44/589,534.80
  6. Step 6: Final answer
    x = 509,887.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.