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Finding the Fourth Proportional to 868,830.60, 1,301,496.30 and 602,891.40

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Solution

The fourth proportional to 868,830.60, 1,301,496.30 and 602,891.40 is: 903,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,830.60 : 1,301,496.30 = 602,891.40 : x
  2. Step 2: Convert to fraction form
    868,830.60/1,301,496.30 = 602,891.40/x
  3. Step 3: Cross multiply
    868,830.60x = 1,301,496.30 × 602,891.40
  4. Step 4: Simplify right side
    868,830.60x = 784,660,926,401.82
  5. Step 5: Solve for x
    x = 784,660,926,401.82/868,830.60
  6. Step 6: Final answer
    x = 903,123.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.