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Finding the Fourth Proportional to 607,038.06, 910,477.17 and 186,278.70

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Solution

The fourth proportional to 607,038.06, 910,477.17 and 186,278.70 is: 279,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,038.06 : 910,477.17 = 186,278.70 : x
  2. Step 2: Convert to fraction form
    607,038.06/910,477.17 = 186,278.70/x
  3. Step 3: Cross multiply
    607,038.06x = 910,477.17 × 186,278.70
  4. Step 4: Simplify right side
    607,038.06x = 169,602,503,607.28
  5. Step 5: Solve for x
    x = 169,602,503,607.28/607,038.06
  6. Step 6: Final answer
    x = 279,393.53

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Why These Related Problems?

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