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Finding the Fourth Proportional to 605,341.38, 835,430.10 and 452,113.53

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Solution

The fourth proportional to 605,341.38, 835,430.10 and 452,113.53 is: 623,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,341.38 : 835,430.10 = 452,113.53 : x
  2. Step 2: Convert to fraction form
    605,341.38/835,430.10 = 452,113.53/x
  3. Step 3: Cross multiply
    605,341.38x = 835,430.10 × 452,113.53
  4. Step 4: Simplify right side
    605,341.38x = 377,709,249,318.69
  5. Step 5: Solve for x
    x = 377,709,249,318.69/605,341.38
  6. Step 6: Final answer
    x = 623,960.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.