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Finding the Fourth Proportional to 292,617, 438,925.71 and 71,001

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Solution

The fourth proportional to 292,617, 438,925.71 and 71,001 is: 106,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,617 : 438,925.71 = 71,001 : x
  2. Step 2: Convert to fraction form
    292,617/438,925.71 = 71,001/x
  3. Step 3: Cross multiply
    292,617x = 438,925.71 × 71,001
  4. Step 4: Simplify right side
    292,617x = 31,164,164,335.71
  5. Step 5: Solve for x
    x = 31,164,164,335.71/292,617
  6. Step 6: Final answer
    x = 106,501.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.