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Finding the Fourth Proportional to 398,124.60, 596,596.18 and 292,426.89

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Solution

The fourth proportional to 398,124.60, 596,596.18 and 292,426.89 is: 438,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,124.60 : 596,596.18 = 292,426.89 : x
  2. Step 2: Convert to fraction form
    398,124.60/596,596.18 = 292,426.89/x
  3. Step 3: Cross multiply
    398,124.60x = 596,596.18 × 292,426.89
  4. Step 4: Simplify right side
    398,124.60x = 174,460,765,503.28
  5. Step 5: Solve for x
    x = 174,460,765,503.28/398,124.60
  6. Step 6: Final answer
    x = 438,206.44

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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.