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Finding the Fourth Proportional to 571,627.69, 788,877.71 and 316,973.41

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Solution

The fourth proportional to 571,627.69, 788,877.71 and 316,973.41 is: 437,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,627.69 : 788,877.71 = 316,973.41 : x
  2. Step 2: Convert to fraction form
    571,627.69/788,877.71 = 316,973.41/x
  3. Step 3: Cross multiply
    571,627.69x = 788,877.71 × 316,973.41
  4. Step 4: Simplify right side
    571,627.69x = 250,053,257,811.69
  5. Step 5: Solve for x
    x = 250,053,257,811.69/571,627.69
  6. Step 6: Final answer
    x = 437,440.77

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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.