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Finding the Fourth Proportional to 670,103.46, 924,745.77 and 368,316.90

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Solution

The fourth proportional to 670,103.46, 924,745.77 and 368,316.90 is: 508,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,103.46 : 924,745.77 = 368,316.90 : x
  2. Step 2: Convert to fraction form
    670,103.46/924,745.77 = 368,316.90/x
  3. Step 3: Cross multiply
    670,103.46x = 924,745.77 × 368,316.90
  4. Step 4: Simplify right side
    670,103.46x = 340,599,495,294.51
  5. Step 5: Solve for x
    x = 340,599,495,294.51/670,103.46
  6. Step 6: Final answer
    x = 508,278.97

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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.