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Finding the Fourth Proportional to 603,430.14, 832,641.10 and 348,732.18

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Solution

The fourth proportional to 603,430.14, 832,641.10 and 348,732.18 is: 481,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,430.14 : 832,641.10 = 348,732.18 : x
  2. Step 2: Convert to fraction form
    603,430.14/832,641.10 = 348,732.18/x
  3. Step 3: Cross multiply
    603,430.14x = 832,641.10 × 348,732.18
  4. Step 4: Simplify right side
    603,430.14x = 290,368,745,960.60
  5. Step 5: Solve for x
    x = 290,368,745,960.60/603,430.14
  6. Step 6: Final answer
    x = 481,196.96

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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.