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Finding the Fourth Proportional to 561,696.40, 841,232.40 and 550,421.20

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Solution

The fourth proportional to 561,696.40, 841,232.40 and 550,421.20 is: 824,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,696.40 : 841,232.40 = 550,421.20 : x
  2. Step 2: Convert to fraction form
    561,696.40/841,232.40 = 550,421.20/x
  3. Step 3: Cross multiply
    561,696.40x = 841,232.40 × 550,421.20
  4. Step 4: Simplify right side
    561,696.40x = 463,032,147,086.88
  5. Step 5: Solve for x
    x = 463,032,147,086.88/561,696.40
  6. Step 6: Final answer
    x = 824,345.94

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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.