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Finding the Fourth Proportional to 413,526.80, 580,118.50 and 413,526.80

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Solution

The fourth proportional to 413,526.80, 580,118.50 and 413,526.80 is: 580,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,526.80 : 580,118.50 = 413,526.80 : x
  2. Step 2: Convert to fraction form
    413,526.80/580,118.50 = 413,526.80/x
  3. Step 3: Cross multiply
    413,526.80x = 580,118.50 × 413,526.80
  4. Step 4: Simplify right side
    413,526.80x = 239,894,546,925.80
  5. Step 5: Solve for x
    x = 239,894,546,925.80/413,526.80
  6. Step 6: Final answer
    x = 580,118.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.