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Finding the Fourth Proportional to 586,362.83, 808,763.57 and 538,120.55

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Solution

The fourth proportional to 586,362.83, 808,763.57 and 538,120.55 is: 742,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,362.83 : 808,763.57 = 538,120.55 : x
  2. Step 2: Convert to fraction form
    586,362.83/808,763.57 = 538,120.55/x
  3. Step 3: Cross multiply
    586,362.83x = 808,763.57 × 538,120.55
  4. Step 4: Simplify right side
    586,362.83x = 435,212,294,477.56
  5. Step 5: Solve for x
    x = 435,212,294,477.56/586,362.83
  6. Step 6: Final answer
    x = 742,223.53

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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.