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Finding the Fourth Proportional to 733,801.60, 1,100,702.40 and 260,534.80

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Solution

The fourth proportional to 733,801.60, 1,100,702.40 and 260,534.80 is: 390,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,801.60 : 1,100,702.40 = 260,534.80 : x
  2. Step 2: Convert to fraction form
    733,801.60/1,100,702.40 = 260,534.80/x
  3. Step 3: Cross multiply
    733,801.60x = 1,100,702.40 × 260,534.80
  4. Step 4: Simplify right side
    733,801.60x = 286,771,279,643.52
  5. Step 5: Solve for x
    x = 286,771,279,643.52/733,801.60
  6. Step 6: Final answer
    x = 390,802.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.