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Finding the Fourth Proportional to 670,862.18, 925,806.71 and 364,955.76

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Solution

The fourth proportional to 670,862.18, 925,806.71 and 364,955.76 is: 503,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,862.18 : 925,806.71 = 364,955.76 : x
  2. Step 2: Convert to fraction form
    670,862.18/925,806.71 = 364,955.76/x
  3. Step 3: Cross multiply
    670,862.18x = 925,806.71 × 364,955.76
  4. Step 4: Simplify right side
    670,862.18x = 337,878,492,373.54
  5. Step 5: Solve for x
    x = 337,878,492,373.54/670,862.18
  6. Step 6: Final answer
    x = 503,648.14

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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.