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Finding the Fourth Proportional to 303,482.80, 424,088.60 and 303,482.80

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Solution

The fourth proportional to 303,482.80, 424,088.60 and 303,482.80 is: 424,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,482.80 : 424,088.60 = 303,482.80 : x
  2. Step 2: Convert to fraction form
    303,482.80/424,088.60 = 303,482.80/x
  3. Step 3: Cross multiply
    303,482.80x = 424,088.60 × 303,482.80
  4. Step 4: Simplify right side
    303,482.80x = 128,703,595,776.08
  5. Step 5: Solve for x
    x = 128,703,595,776.08/303,482.80
  6. Step 6: Final answer
    x = 424,088.60

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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.