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Finding the Fourth Proportional to 529,603.22, 730,886.40 and 297,051.98

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Solution

The fourth proportional to 529,603.22, 730,886.40 and 297,051.98 is: 409,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,603.22 : 730,886.40 = 297,051.98 : x
  2. Step 2: Convert to fraction form
    529,603.22/730,886.40 = 297,051.98/x
  3. Step 3: Cross multiply
    529,603.22x = 730,886.40 × 297,051.98
  4. Step 4: Simplify right side
    529,603.22x = 217,111,252,275.07
  5. Step 5: Solve for x
    x = 217,111,252,275.07/529,603.22
  6. Step 6: Final answer
    x = 409,950.78

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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.