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Finding the Fourth Proportional to 376,164.80, 528,030.40 and 376,164.80

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Solution

The fourth proportional to 376,164.80, 528,030.40 and 376,164.80 is: 528,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,164.80 : 528,030.40 = 376,164.80 : x
  2. Step 2: Convert to fraction form
    376,164.80/528,030.40 = 376,164.80/x
  3. Step 3: Cross multiply
    376,164.80x = 528,030.40 × 376,164.80
  4. Step 4: Simplify right side
    376,164.80x = 198,626,449,809.92
  5. Step 5: Solve for x
    x = 198,626,449,809.92/376,164.80
  6. Step 6: Final answer
    x = 528,030.40

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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.