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Finding the Fourth Proportional to 556,022.16, 826,880.24 and 538,307.46

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Solution

The fourth proportional to 556,022.16, 826,880.24 and 538,307.46 is: 800,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,022.16 : 826,880.24 = 538,307.46 : x
  2. Step 2: Convert to fraction form
    556,022.16/826,880.24 = 538,307.46/x
  3. Step 3: Cross multiply
    556,022.16x = 826,880.24 × 538,307.46
  4. Step 4: Simplify right side
    556,022.16x = 445,115,803,064.36
  5. Step 5: Solve for x
    x = 445,115,803,064.36/556,022.16
  6. Step 6: Final answer
    x = 800,536.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.