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Finding the Fourth Proportional to 560,966.80, 841,428.60 and 186,989.80

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Solution

The fourth proportional to 560,966.80, 841,428.60 and 186,989.80 is: 280,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,966.80 : 841,428.60 = 186,989.80 : x
  2. Step 2: Convert to fraction form
    560,966.80/841,428.60 = 186,989.80/x
  3. Step 3: Cross multiply
    560,966.80x = 841,428.60 × 186,989.80
  4. Step 4: Simplify right side
    560,966.80x = 157,338,565,628.28
  5. Step 5: Solve for x
    x = 157,338,565,628.28/560,966.80
  6. Step 6: Final answer
    x = 280,477.50

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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.