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Finding the Fourth Proportional to 609,862.50, 841,610.25 and 371,398.50

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Solution

The fourth proportional to 609,862.50, 841,610.25 and 371,398.50 is: 512,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,862.50 : 841,610.25 = 371,398.50 : x
  2. Step 2: Convert to fraction form
    609,862.50/841,610.25 = 371,398.50/x
  3. Step 3: Cross multiply
    609,862.50x = 841,610.25 × 371,398.50
  4. Step 4: Simplify right side
    609,862.50x = 312,572,784,434.63
  5. Step 5: Solve for x
    x = 312,572,784,434.63/609,862.50
  6. Step 6: Final answer
    x = 512,529.93

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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.