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Finding the Fourth Proportional to 623,872.60, 935,808.90 and 614,541.40

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Solution

The fourth proportional to 623,872.60, 935,808.90 and 614,541.40 is: 921,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,872.60 : 935,808.90 = 614,541.40 : x
  2. Step 2: Convert to fraction form
    623,872.60/935,808.90 = 614,541.40/x
  3. Step 3: Cross multiply
    623,872.60x = 935,808.90 × 614,541.40
  4. Step 4: Simplify right side
    623,872.60x = 575,093,311,538.46
  5. Step 5: Solve for x
    x = 575,093,311,538.46/623,872.60
  6. Step 6: Final answer
    x = 921,812.10

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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.