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Finding the Fourth Proportional to 707,500.48, 976,301.32 and 401,583.12

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Solution

The fourth proportional to 707,500.48, 976,301.32 and 401,583.12 is: 554,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,500.48 : 976,301.32 = 401,583.12 : x
  2. Step 2: Convert to fraction form
    707,500.48/976,301.32 = 401,583.12/x
  3. Step 3: Cross multiply
    707,500.48x = 976,301.32 × 401,583.12
  4. Step 4: Simplify right side
    707,500.48x = 392,066,130,145.72
  5. Step 5: Solve for x
    x = 392,066,130,145.72/707,500.48
  6. Step 6: Final answer
    x = 554,156.70

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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.