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Finding the Fourth Proportional to 424,009.40, 595,187.80 and 424,009.40

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Solution

The fourth proportional to 424,009.40, 595,187.80 and 424,009.40 is: 595,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,009.40 : 595,187.80 = 424,009.40 : x
  2. Step 2: Convert to fraction form
    424,009.40/595,187.80 = 424,009.40/x
  3. Step 3: Cross multiply
    424,009.40x = 595,187.80 × 424,009.40
  4. Step 4: Simplify right side
    424,009.40x = 252,365,221,965.32
  5. Step 5: Solve for x
    x = 252,365,221,965.32/424,009.40
  6. Step 6: Final answer
    x = 595,187.80

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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.