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Finding the Fourth Proportional to 670,240.96, 924,935.60 and 368,454.40

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Solution

The fourth proportional to 670,240.96, 924,935.60 and 368,454.40 is: 508,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,240.96 : 924,935.60 = 368,454.40 : x
  2. Step 2: Convert to fraction form
    670,240.96/924,935.60 = 368,454.40/x
  3. Step 3: Cross multiply
    670,240.96x = 924,935.60 × 368,454.40
  4. Step 4: Simplify right side
    670,240.96x = 340,796,591,536.64
  5. Step 5: Solve for x
    x = 340,796,591,536.64/670,240.96
  6. Step 6: Final answer
    x = 508,468.76

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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.