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Finding the Fourth Proportional to 430,384.99, 594,357.33 and 354,654.58

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Solution

The fourth proportional to 430,384.99, 594,357.33 and 354,654.58 is: 489,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,384.99 : 594,357.33 = 354,654.58 : x
  2. Step 2: Convert to fraction form
    430,384.99/594,357.33 = 354,654.58/x
  3. Step 3: Cross multiply
    430,384.99x = 594,357.33 × 354,654.58
  4. Step 4: Simplify right side
    430,384.99x = 210,791,549,241.07
  5. Step 5: Solve for x
    x = 210,791,549,241.07/430,384.99
  6. Step 6: Final answer
    x = 489,774.40

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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.