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Finding the Fourth Proportional to 368,598.03, 508,681.64 and 207,463.52

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Solution

The fourth proportional to 368,598.03, 508,681.64 and 207,463.52 is: 286,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,598.03 : 508,681.64 = 207,463.52 : x
  2. Step 2: Convert to fraction form
    368,598.03/508,681.64 = 207,463.52/x
  3. Step 3: Cross multiply
    368,598.03x = 508,681.64 × 207,463.52
  4. Step 4: Simplify right side
    368,598.03x = 105,532,880,013.05
  5. Step 5: Solve for x
    x = 105,532,880,013.05/368,598.03
  6. Step 6: Final answer
    x = 286,308.86

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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.