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Finding the Fourth Proportional to 403,470.60, 604,987.20 and 166,545.60

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Solution

The fourth proportional to 403,470.60, 604,987.20 and 166,545.60 is: 249,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,470.60 : 604,987.20 = 166,545.60 : x
  2. Step 2: Convert to fraction form
    403,470.60/604,987.20 = 166,545.60/x
  3. Step 3: Cross multiply
    403,470.60x = 604,987.20 × 166,545.60
  4. Step 4: Simplify right side
    403,470.60x = 100,757,956,216.32
  5. Step 5: Solve for x
    x = 100,757,956,216.32/403,470.60
  6. Step 6: Final answer
    x = 249,728.12

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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.