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Finding the Fourth Proportional to 560,949.40, 841,428.90 and 186,972.40

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Solution

The fourth proportional to 560,949.40, 841,428.90 and 186,972.40 is: 280,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,949.40 : 841,428.90 = 186,972.40 : x
  2. Step 2: Convert to fraction form
    560,949.40/841,428.90 = 186,972.40/x
  3. Step 3: Cross multiply
    560,949.40x = 841,428.90 × 186,972.40
  4. Step 4: Simplify right side
    560,949.40x = 157,323,980,862.36
  5. Step 5: Solve for x
    x = 157,323,980,862.36/560,949.40
  6. Step 6: Final answer
    x = 280,460.20

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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.