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Finding the Fourth Proportional to 675,061.52, 931,603.56 and 373,266.32

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Solution

The fourth proportional to 675,061.52, 931,603.56 and 373,266.32 is: 515,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,061.52 : 931,603.56 = 373,266.32 : x
  2. Step 2: Convert to fraction form
    675,061.52/931,603.56 = 373,266.32/x
  3. Step 3: Cross multiply
    675,061.52x = 931,603.56 × 373,266.32
  4. Step 4: Simplify right side
    675,061.52x = 347,736,232,540.10
  5. Step 5: Solve for x
    x = 347,736,232,540.10/675,061.52
  6. Step 6: Final answer
    x = 515,117.84

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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.