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Finding the Fourth Proportional to 526,068.99, 726,019.74 and 296,670.51

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Solution

The fourth proportional to 526,068.99, 726,019.74 and 296,670.51 is: 409,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,068.99 : 726,019.74 = 296,670.51 : x
  2. Step 2: Convert to fraction form
    526,068.99/726,019.74 = 296,670.51/x
  3. Step 3: Cross multiply
    526,068.99x = 726,019.74 × 296,670.51
  4. Step 4: Simplify right side
    526,068.99x = 215,388,646,535.87
  5. Step 5: Solve for x
    x = 215,388,646,535.87/526,068.99
  6. Step 6: Final answer
    x = 409,430.42

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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.