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Finding the Fourth Proportional to 563,854.40, 845,925.60 and 397,966.40

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Solution

The fourth proportional to 563,854.40, 845,925.60 and 397,966.40 is: 597,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,854.40 : 845,925.60 = 397,966.40 : x
  2. Step 2: Convert to fraction form
    563,854.40/845,925.60 = 397,966.40/x
  3. Step 3: Cross multiply
    563,854.40x = 845,925.60 × 397,966.40
  4. Step 4: Simplify right side
    563,854.40x = 336,649,965,699.84
  5. Step 5: Solve for x
    x = 336,649,965,699.84/563,854.40
  6. Step 6: Final answer
    x = 597,051.23

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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.