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Finding the Fourth Proportional to 670,417.92, 925,176.65 and 368,611.92

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Solution

The fourth proportional to 670,417.92, 925,176.65 and 368,611.92 is: 508,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,417.92 : 925,176.65 = 368,611.92 : x
  2. Step 2: Convert to fraction form
    670,417.92/925,176.65 = 368,611.92/x
  3. Step 3: Cross multiply
    670,417.92x = 925,176.65 × 368,611.92
  4. Step 4: Simplify right side
    670,417.92x = 341,031,139,452.61
  5. Step 5: Solve for x
    x = 341,031,139,452.61/670,417.92
  6. Step 6: Final answer
    x = 508,684.40

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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.