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Finding the Fourth Proportional to 294,510.76, 406,424.58 and 160,375.72

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Solution

The fourth proportional to 294,510.76, 406,424.58 and 160,375.72 is: 221,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,510.76 : 406,424.58 = 160,375.72 : x
  2. Step 2: Convert to fraction form
    294,510.76/406,424.58 = 160,375.72/x
  3. Step 3: Cross multiply
    294,510.76x = 406,424.58 × 160,375.72
  4. Step 4: Simplify right side
    294,510.76x = 65,180,634,643.20
  5. Step 5: Solve for x
    x = 65,180,634,643.20/294,510.76
  6. Step 6: Final answer
    x = 221,318.35

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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.