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Finding the Fourth Proportional to 368,759.16, 508,897.23 and 207,620.10

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Solution

The fourth proportional to 368,759.16, 508,897.23 and 207,620.10 is: 286,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,759.16 : 508,897.23 = 207,620.10 : x
  2. Step 2: Convert to fraction form
    368,759.16/508,897.23 = 207,620.10/x
  3. Step 3: Cross multiply
    368,759.16x = 508,897.23 × 207,620.10
  4. Step 4: Simplify right side
    368,759.16x = 105,657,293,782.32
  5. Step 5: Solve for x
    x = 105,657,293,782.32/368,759.16
  6. Step 6: Final answer
    x = 286,521.14

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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.