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Finding the Fourth Proportional to 348,616.94, 522,925.40 and 243,640.94

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Solution

The fourth proportional to 348,616.94, 522,925.40 and 243,640.94 is: 365,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,616.94 : 522,925.40 = 243,640.94 : x
  2. Step 2: Convert to fraction form
    348,616.94/522,925.40 = 243,640.94/x
  3. Step 3: Cross multiply
    348,616.94x = 522,925.40 × 243,640.94
  4. Step 4: Simplify right side
    348,616.94x = 127,406,034,000.35
  5. Step 5: Solve for x
    x = 127,406,034,000.35/348,616.94
  6. Step 6: Final answer
    x = 365,461.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.