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Finding the Fourth Proportional to 358,549.98, 495,243.30 and 260,276.37

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Solution

The fourth proportional to 358,549.98, 495,243.30 and 260,276.37 is: 359,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,549.98 : 495,243.30 = 260,276.37 : x
  2. Step 2: Convert to fraction form
    358,549.98/495,243.30 = 260,276.37/x
  3. Step 3: Cross multiply
    358,549.98x = 495,243.30 × 260,276.37
  4. Step 4: Simplify right side
    358,549.98x = 128,900,129,628.22
  5. Step 5: Solve for x
    x = 128,900,129,628.22/358,549.98
  6. Step 6: Final answer
    x = 359,503.94

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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.