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Finding the Fourth Proportional to 602,869.34, 830,812.86 and 591,790.08

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Solution

The fourth proportional to 602,869.34, 830,812.86 and 591,790.08 is: 815,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,869.34 : 830,812.86 = 591,790.08 : x
  2. Step 2: Convert to fraction form
    602,869.34/830,812.86 = 591,790.08/x
  3. Step 3: Cross multiply
    602,869.34x = 830,812.86 × 591,790.08
  4. Step 4: Simplify right side
    602,869.34x = 491,666,808,450.95
  5. Step 5: Solve for x
    x = 491,666,808,450.95/602,869.34
  6. Step 6: Final answer
    x = 815,544.56

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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.