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Finding the Fourth Proportional to 347,363.16, 479,369.73 and 194,400.15

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Solution

The fourth proportional to 347,363.16, 479,369.73 and 194,400.15 is: 268,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,363.16 : 479,369.73 = 194,400.15 : x
  2. Step 2: Convert to fraction form
    347,363.16/479,369.73 = 194,400.15/x
  3. Step 3: Cross multiply
    347,363.16x = 479,369.73 × 194,400.15
  4. Step 4: Simplify right side
    347,363.16x = 93,189,547,417.46
  5. Step 5: Solve for x
    x = 93,189,547,417.46/347,363.16
  6. Step 6: Final answer
    x = 268,277.00

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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.