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Finding the Fourth Proportional to 580,014.40, 813,886.40 and 580,014.40

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Solution

The fourth proportional to 580,014.40, 813,886.40 and 580,014.40 is: 813,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,014.40 : 813,886.40 = 580,014.40 : x
  2. Step 2: Convert to fraction form
    580,014.40/813,886.40 = 580,014.40/x
  3. Step 3: Cross multiply
    580,014.40x = 813,886.40 × 580,014.40
  4. Step 4: Simplify right side
    580,014.40x = 472,065,831,964.16
  5. Step 5: Solve for x
    x = 472,065,831,964.16/580,014.40
  6. Step 6: Final answer
    x = 813,886.40

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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.