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Finding the Fourth Proportional to 654,838.65, 903,729.83 and 368,341.65

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Solution

The fourth proportional to 654,838.65, 903,729.83 and 368,341.65 is: 508,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,838.65 : 903,729.83 = 368,341.65 : x
  2. Step 2: Convert to fraction form
    654,838.65/903,729.83 = 368,341.65/x
  3. Step 3: Cross multiply
    654,838.65x = 903,729.83 × 368,341.65
  4. Step 4: Simplify right side
    654,838.65x = 332,881,334,894.71
  5. Step 5: Solve for x
    x = 332,881,334,894.71/654,838.65
  6. Step 6: Final answer
    x = 508,341.00

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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.