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Finding the Fourth Proportional to 553,350.30, 830,025.45 and 453,623.10

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Solution

The fourth proportional to 553,350.30, 830,025.45 and 453,623.10 is: 680,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,350.30 : 830,025.45 = 453,623.10 : x
  2. Step 2: Convert to fraction form
    553,350.30/830,025.45 = 453,623.10/x
  3. Step 3: Cross multiply
    553,350.30x = 830,025.45 × 453,623.10
  4. Step 4: Simplify right side
    553,350.30x = 376,518,717,707.90
  5. Step 5: Solve for x
    x = 376,518,717,707.90/553,350.30
  6. Step 6: Final answer
    x = 680,434.65

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Similar ratio
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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.