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Finding the Fourth Proportional to 403,315.60, 604,973.40 and 122,832.40

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Solution

The fourth proportional to 403,315.60, 604,973.40 and 122,832.40 is: 184,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,315.60 : 604,973.40 = 122,832.40 : x
  2. Step 2: Convert to fraction form
    403,315.60/604,973.40 = 122,832.40/x
  3. Step 3: Cross multiply
    403,315.60x = 604,973.40 × 122,832.40
  4. Step 4: Simplify right side
    403,315.60x = 74,310,334,658.16
  5. Step 5: Solve for x
    x = 74,310,334,658.16/403,315.60
  6. Step 6: Final answer
    x = 184,248.60

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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.