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Finding the Fourth Proportional to 527,518.80, 727,252.92 and 333,830.16

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Solution

The fourth proportional to 527,518.80, 727,252.92 and 333,830.16 is: 460,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,518.80 : 727,252.92 = 333,830.16 : x
  2. Step 2: Convert to fraction form
    527,518.80/727,252.92 = 333,830.16/x
  3. Step 3: Cross multiply
    527,518.80x = 727,252.92 × 333,830.16
  4. Step 4: Simplify right side
    527,518.80x = 242,778,958,644.07
  5. Step 5: Solve for x
    x = 242,778,958,644.07/527,518.80
  6. Step 6: Final answer
    x = 460,228.07

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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.