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Finding the Fourth Proportional to 671,444.80, 941,681.60 and 671,444.80

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Solution

The fourth proportional to 671,444.80, 941,681.60 and 671,444.80 is: 941,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,444.80 : 941,681.60 = 671,444.80 : x
  2. Step 2: Convert to fraction form
    671,444.80/941,681.60 = 671,444.80/x
  3. Step 3: Cross multiply
    671,444.80x = 941,681.60 × 671,444.80
  4. Step 4: Simplify right side
    671,444.80x = 632,287,213,575.68
  5. Step 5: Solve for x
    x = 632,287,213,575.68/671,444.80
  6. Step 6: Final answer
    x = 941,681.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.