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Finding the Fourth Proportional to 935,969.78, 1,404,129.63 and 375,048.02

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Solution

The fourth proportional to 935,969.78, 1,404,129.63 and 375,048.02 is: 562,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,969.78 : 1,404,129.63 = 375,048.02 : x
  2. Step 2: Convert to fraction form
    935,969.78/1,404,129.63 = 375,048.02/x
  3. Step 3: Cross multiply
    935,969.78x = 1,404,129.63 × 375,048.02
  4. Step 4: Simplify right side
    935,969.78x = 526,616,037,554.83
  5. Step 5: Solve for x
    x = 526,616,037,554.83/935,969.78
  6. Step 6: Final answer
    x = 562,642.14

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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.