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Finding the Fourth Proportional to 292,511.63, 438,767.45 and 70,895.63

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Solution

The fourth proportional to 292,511.63, 438,767.45 and 70,895.63 is: 106,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,511.63 : 438,767.45 = 70,895.63 : x
  2. Step 2: Convert to fraction form
    292,511.63/438,767.45 = 70,895.63/x
  3. Step 3: Cross multiply
    292,511.63x = 438,767.45 × 70,895.63
  4. Step 4: Simplify right side
    292,511.63x = 31,106,692,242.93
  5. Step 5: Solve for x
    x = 31,106,692,242.93/292,511.63
  6. Step 6: Final answer
    x = 106,343.44

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1.5x scale

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.