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Finding the Fourth Proportional to 372,666.70, 559,000.05 and 172,920.70

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Solution

The fourth proportional to 372,666.70, 559,000.05 and 172,920.70 is: 259,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,666.70 : 559,000.05 = 172,920.70 : x
  2. Step 2: Convert to fraction form
    372,666.70/559,000.05 = 172,920.70/x
  3. Step 3: Cross multiply
    372,666.70x = 559,000.05 × 172,920.70
  4. Step 4: Simplify right side
    372,666.70x = 96,662,679,946.04
  5. Step 5: Solve for x
    x = 96,662,679,946.04/372,666.70
  6. Step 6: Final answer
    x = 259,381.05

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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.