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Finding the Fourth Proportional to 675,515.34, 932,119.10 and 403,525.50

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Solution

The fourth proportional to 675,515.34, 932,119.10 and 403,525.50 is: 556,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,515.34 : 932,119.10 = 403,525.50 : x
  2. Step 2: Convert to fraction form
    675,515.34/932,119.10 = 403,525.50/x
  3. Step 3: Cross multiply
    675,515.34x = 932,119.10 × 403,525.50
  4. Step 4: Simplify right side
    675,515.34x = 376,133,823,022.11
  5. Step 5: Solve for x
    x = 376,133,823,022.11/675,515.34
  6. Step 6: Final answer
    x = 556,810.19

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1.5x scale

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.