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Finding the Fourth Proportional to 586,685.40, 880,028.10 and 400,061.40

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Solution

The fourth proportional to 586,685.40, 880,028.10 and 400,061.40 is: 600,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,685.40 : 880,028.10 = 400,061.40 : x
  2. Step 2: Convert to fraction form
    586,685.40/880,028.10 = 400,061.40/x
  3. Step 3: Cross multiply
    586,685.40x = 880,028.10 × 400,061.40
  4. Step 4: Simplify right side
    586,685.40x = 352,065,273,725.34
  5. Step 5: Solve for x
    x = 352,065,273,725.34/586,685.40
  6. Step 6: Final answer
    x = 600,092.10

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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.