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Finding the Fourth Proportional to 612,123.60, 917,529.30 and 232,897.80

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Solution

The fourth proportional to 612,123.60, 917,529.30 and 232,897.80 is: 349,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,123.60 : 917,529.30 = 232,897.80 : x
  2. Step 2: Convert to fraction form
    612,123.60/917,529.30 = 232,897.80/x
  3. Step 3: Cross multiply
    612,123.60x = 917,529.30 × 232,897.80
  4. Step 4: Simplify right side
    612,123.60x = 213,690,555,405.54
  5. Step 5: Solve for x
    x = 213,690,555,405.54/612,123.60
  6. Step 6: Final answer
    x = 349,097.07

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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.