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Finding the Fourth Proportional to 561,132.60, 841,698.90 and 461,405.40

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Solution

The fourth proportional to 561,132.60, 841,698.90 and 461,405.40 is: 692,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,132.60 : 841,698.90 = 461,405.40 : x
  2. Step 2: Convert to fraction form
    561,132.60/841,698.90 = 461,405.40/x
  3. Step 3: Cross multiply
    561,132.60x = 841,698.90 × 461,405.40
  4. Step 4: Simplify right side
    561,132.60x = 388,364,417,634.06
  5. Step 5: Solve for x
    x = 388,364,417,634.06/561,132.60
  6. Step 6: Final answer
    x = 692,108.10

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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.