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Finding the Fourth Proportional to 368,463.90, 552,695.85 and 363,798.30

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Solution

The fourth proportional to 368,463.90, 552,695.85 and 363,798.30 is: 545,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,463.90 : 552,695.85 = 363,798.30 : x
  2. Step 2: Convert to fraction form
    368,463.90/552,695.85 = 363,798.30/x
  3. Step 3: Cross multiply
    368,463.90x = 552,695.85 × 363,798.30
  4. Step 4: Simplify right side
    368,463.90x = 201,069,810,647.06
  5. Step 5: Solve for x
    x = 201,069,810,647.06/368,463.90
  6. Step 6: Final answer
    x = 545,697.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.