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Finding the Fourth Proportional to 402,925.60, 604,607.10 and 166,292.20

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Solution

The fourth proportional to 402,925.60, 604,607.10 and 166,292.20 is: 249,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,925.60 : 604,607.10 = 166,292.20 : x
  2. Step 2: Convert to fraction form
    402,925.60/604,607.10 = 166,292.20/x
  3. Step 3: Cross multiply
    402,925.60x = 604,607.10 × 166,292.20
  4. Step 4: Simplify right side
    402,925.60x = 100,541,444,794.62
  5. Step 5: Solve for x
    x = 100,541,444,794.62/402,925.60
  6. Step 6: Final answer
    x = 249,528.56

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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.