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Finding the Fourth Proportional to 477,645.81, 716,640.95 and 240,810.13

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Solution

The fourth proportional to 477,645.81, 716,640.95 and 240,810.13 is: 361,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,645.81 : 716,640.95 = 240,810.13 : x
  2. Step 2: Convert to fraction form
    477,645.81/716,640.95 = 240,810.13/x
  3. Step 3: Cross multiply
    477,645.81x = 716,640.95 × 240,810.13
  4. Step 4: Simplify right side
    477,645.81x = 172,574,400,332.82
  5. Step 5: Solve for x
    x = 172,574,400,332.82/477,645.81
  6. Step 6: Final answer
    x = 361,302.03

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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.