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Finding the Fourth Proportional to 529,752.40, 795,127.98 and 193,118.40

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Solution

The fourth proportional to 529,752.40, 795,127.98 and 193,118.40 is: 289,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,752.40 : 795,127.98 = 193,118.40 : x
  2. Step 2: Convert to fraction form
    529,752.40/795,127.98 = 193,118.40/x
  3. Step 3: Cross multiply
    529,752.40x = 795,127.98 × 193,118.40
  4. Step 4: Simplify right side
    529,752.40x = 153,553,843,292.83
  5. Step 5: Solve for x
    x = 153,553,843,292.83/529,752.40
  6. Step 6: Final answer
    x = 289,859.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.