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Finding the Fourth Proportional to 497,015.10, 745,522.65 and 434,807.10

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Solution

The fourth proportional to 497,015.10, 745,522.65 and 434,807.10 is: 652,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,015.10 : 745,522.65 = 434,807.10 : x
  2. Step 2: Convert to fraction form
    497,015.10/745,522.65 = 434,807.10/x
  3. Step 3: Cross multiply
    497,015.10x = 745,522.65 × 434,807.10
  4. Step 4: Simplify right side
    497,015.10x = 324,158,541,430.82
  5. Step 5: Solve for x
    x = 324,158,541,430.82/497,015.10
  6. Step 6: Final answer
    x = 652,210.65

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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.