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Finding the Fourth Proportional to 704,596.64, 972,595.58 and 418,116.74

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Solution

The fourth proportional to 704,596.64, 972,595.58 and 418,116.74 is: 577,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,596.64 : 972,595.58 = 418,116.74 : x
  2. Step 2: Convert to fraction form
    704,596.64/972,595.58 = 418,116.74/x
  3. Step 3: Cross multiply
    704,596.64x = 972,595.58 × 418,116.74
  4. Step 4: Simplify right side
    704,596.64x = 406,658,486,294.45
  5. Step 5: Solve for x
    x = 406,658,486,294.45/704,596.64
  6. Step 6: Final answer
    x = 577,150.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.