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Finding the Fourth Proportional to 607,075.76, 910,712.40 and 228,026

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Solution

The fourth proportional to 607,075.76, 910,712.40 and 228,026 is: 342,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,075.76 : 910,712.40 = 228,026 : x
  2. Step 2: Convert to fraction form
    607,075.76/910,712.40 = 228,026/x
  3. Step 3: Cross multiply
    607,075.76x = 910,712.40 × 228,026
  4. Step 4: Simplify right side
    607,075.76x = 207,666,105,722.40
  5. Step 5: Solve for x
    x = 207,666,105,722.40/607,075.76
  6. Step 6: Final answer
    x = 342,076.10

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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.