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Finding the Fourth Proportional to 631,943.80, 947,871.95 and 232,510.12

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Solution

The fourth proportional to 631,943.80, 947,871.95 and 232,510.12 is: 348,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,943.80 : 947,871.95 = 232,510.12 : x
  2. Step 2: Convert to fraction form
    631,943.80/947,871.95 = 232,510.12/x
  3. Step 3: Cross multiply
    631,943.80x = 947,871.95 × 232,510.12
  4. Step 4: Simplify right side
    631,943.80x = 220,389,817,306.90
  5. Step 5: Solve for x
    x = 220,389,817,306.90/631,943.80
  6. Step 6: Final answer
    x = 348,749.08

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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.