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Finding the Fourth Proportional to 650,835.60, 875,828.70 and 650,835.60

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Solution

The fourth proportional to 650,835.60, 875,828.70 and 650,835.60 is: 875,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,835.60 : 875,828.70 = 650,835.60 : x
  2. Step 2: Convert to fraction form
    650,835.60/875,828.70 = 650,835.60/x
  3. Step 3: Cross multiply
    650,835.60x = 875,828.70 × 650,835.60
  4. Step 4: Simplify right side
    650,835.60x = 570,020,497,461.72
  5. Step 5: Solve for x
    x = 570,020,497,461.72/650,835.60
  6. Step 6: Final answer
    x = 875,828.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.