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Finding the Fourth Proportional to 255,429.59, 352,474.63 and 152,058.30

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Solution

The fourth proportional to 255,429.59, 352,474.63 and 152,058.30 is: 209,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,429.59 : 352,474.63 = 152,058.30 : x
  2. Step 2: Convert to fraction form
    255,429.59/352,474.63 = 152,058.30/x
  3. Step 3: Cross multiply
    255,429.59x = 352,474.63 × 152,058.30
  4. Step 4: Simplify right side
    255,429.59x = 53,596,692,602.17
  5. Step 5: Solve for x
    x = 53,596,692,602.17/255,429.59
  6. Step 6: Final answer
    x = 209,829.62

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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.