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Finding the Fourth Proportional to 291,491.16, 402,443.52 and 237,904.02

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Solution

The fourth proportional to 291,491.16, 402,443.52 and 237,904.02 is: 328,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,491.16 : 402,443.52 = 237,904.02 : x
  2. Step 2: Convert to fraction form
    291,491.16/402,443.52 = 237,904.02/x
  3. Step 3: Cross multiply
    291,491.16x = 402,443.52 × 237,904.02
  4. Step 4: Simplify right side
    291,491.16x = 95,742,931,230.95
  5. Step 5: Solve for x
    x = 95,742,931,230.95/291,491.16
  6. Step 6: Final answer
    x = 328,459.12

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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.