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Finding the Fourth Proportional to 604,975.60, 907,394.20 and 161,778.16

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Solution

The fourth proportional to 604,975.60, 907,394.20 and 161,778.16 is: 242,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,975.60 : 907,394.20 = 161,778.16 : x
  2. Step 2: Convert to fraction form
    604,975.60/907,394.20 = 161,778.16/x
  3. Step 3: Cross multiply
    604,975.60x = 907,394.20 × 161,778.16
  4. Step 4: Simplify right side
    604,975.60x = 146,796,564,070.67
  5. Step 5: Solve for x
    x = 146,796,564,070.67/604,975.60
  6. Step 6: Final answer
    x = 242,648.74

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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.