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Finding the Fourth Proportional to 423,765.59, 584,800.79 and 230,177.07

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Solution

The fourth proportional to 423,765.59, 584,800.79 and 230,177.07 is: 317,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,765.59 : 584,800.79 = 230,177.07 : x
  2. Step 2: Convert to fraction form
    423,765.59/584,800.79 = 230,177.07/x
  3. Step 3: Cross multiply
    423,765.59x = 584,800.79 × 230,177.07
  4. Step 4: Simplify right side
    423,765.59x = 134,607,731,225.00
  5. Step 5: Solve for x
    x = 134,607,731,225.00/423,765.59
  6. Step 6: Final answer
    x = 317,646.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.