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Finding the Fourth Proportional to 670,539.04, 925,686.70 and 517,233.07

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Solution

The fourth proportional to 670,539.04, 925,686.70 and 517,233.07 is: 714,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,539.04 : 925,686.70 = 517,233.07 : x
  2. Step 2: Convert to fraction form
    670,539.04/925,686.70 = 517,233.07/x
  3. Step 3: Cross multiply
    670,539.04x = 925,686.70 × 517,233.07
  4. Step 4: Simplify right side
    670,539.04x = 478,795,773,563.20
  5. Step 5: Solve for x
    x = 478,795,773,563.20/670,539.04
  6. Step 6: Final answer
    x = 714,046.08

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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.