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Finding the Fourth Proportional to 671,360.15, 926,497.40 and 475,477.55

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Solution

The fourth proportional to 671,360.15, 926,497.40 and 475,477.55 is: 656,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,360.15 : 926,497.40 = 475,477.55 : x
  2. Step 2: Convert to fraction form
    671,360.15/926,497.40 = 475,477.55/x
  3. Step 3: Cross multiply
    671,360.15x = 926,497.40 × 475,477.55
  4. Step 4: Simplify right side
    671,360.15x = 440,528,706,823.50
  5. Step 5: Solve for x
    x = 440,528,706,823.50/671,360.15
  6. Step 6: Final answer
    x = 656,173.46

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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.