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Finding the Fourth Proportional to 543,675.02, 750,280.80 and 298,670.08

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Solution

The fourth proportional to 543,675.02, 750,280.80 and 298,670.08 is: 412,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,675.02 : 750,280.80 = 298,670.08 : x
  2. Step 2: Convert to fraction form
    543,675.02/750,280.80 = 298,670.08/x
  3. Step 3: Cross multiply
    543,675.02x = 750,280.80 × 298,670.08
  4. Step 4: Simplify right side
    543,675.02x = 224,086,426,558.46
  5. Step 5: Solve for x
    x = 224,086,426,558.46/543,675.02
  6. Step 6: Final answer
    x = 412,169.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.