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Finding the Fourth Proportional to 540,598.16, 745,572.84 and 404,950.88

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Solution

The fourth proportional to 540,598.16, 745,572.84 and 404,950.88 is: 558,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,598.16 : 745,572.84 = 404,950.88 : x
  2. Step 2: Convert to fraction form
    540,598.16/745,572.84 = 404,950.88/x
  3. Step 3: Cross multiply
    540,598.16x = 745,572.84 × 404,950.88
  4. Step 4: Simplify right side
    540,598.16x = 301,920,377,662.10
  5. Step 5: Solve for x
    x = 301,920,377,662.10/540,598.16
  6. Step 6: Final answer
    x = 558,493.17

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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.