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Finding the Fourth Proportional to 601,573.52, 829,860.96 and 407,915.72

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Solution

The fourth proportional to 601,573.52, 829,860.96 and 407,915.72 is: 562,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,573.52 : 829,860.96 = 407,915.72 : x
  2. Step 2: Convert to fraction form
    601,573.52/829,860.96 = 407,915.72/x
  3. Step 3: Cross multiply
    601,573.52x = 829,860.96 × 407,915.72
  4. Step 4: Simplify right side
    601,573.52x = 338,513,330,998.29
  5. Step 5: Solve for x
    x = 338,513,330,998.29/601,573.52
  6. Step 6: Final answer
    x = 562,713.15

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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.