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Finding the Fourth Proportional to 674,359.93, 930,681.03 and 368,482.81

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Solution

The fourth proportional to 674,359.93, 930,681.03 and 368,482.81 is: 508,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,359.93 : 930,681.03 = 368,482.81 : x
  2. Step 2: Convert to fraction form
    674,359.93/930,681.03 = 368,482.81/x
  3. Step 3: Cross multiply
    674,359.93x = 930,681.03 × 368,482.81
  4. Step 4: Simplify right side
    674,359.93x = 342,939,961,148.09
  5. Step 5: Solve for x
    x = 342,939,961,148.09/674,359.93
  6. Step 6: Final answer
    x = 508,541.43

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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.