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Finding the Fourth Proportional to 415,360.70, 623,008.65 and 162,592.10

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Solution

The fourth proportional to 415,360.70, 623,008.65 and 162,592.10 is: 243,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,360.70 : 623,008.65 = 162,592.10 : x
  2. Step 2: Convert to fraction form
    415,360.70/623,008.65 = 162,592.10/x
  3. Step 3: Cross multiply
    415,360.70x = 623,008.65 × 162,592.10
  4. Step 4: Simplify right side
    415,360.70x = 101,296,284,721.67
  5. Step 5: Solve for x
    x = 101,296,284,721.67/415,360.70
  6. Step 6: Final answer
    x = 243,875.47

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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.