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Finding the Fourth Proportional to 586,415.60, 808,836.27 and 538,173.35

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Solution

The fourth proportional to 586,415.60, 808,836.27 and 538,173.35 is: 742,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,415.60 : 808,836.27 = 538,173.35 : x
  2. Step 2: Convert to fraction form
    586,415.60/808,836.27 = 538,173.35/x
  3. Step 3: Cross multiply
    586,415.60x = 808,836.27 × 538,173.35
  4. Step 4: Simplify right side
    586,415.60x = 435,294,120,983.22
  5. Step 5: Solve for x
    x = 435,294,120,983.22/586,415.60
  6. Step 6: Final answer
    x = 742,296.29

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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.