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Finding the Fourth Proportional to 736,585.60, 1,034,019.20 and 736,585.60

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Solution

The fourth proportional to 736,585.60, 1,034,019.20 and 736,585.60 is: 1,034,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,585.60 : 1,034,019.20 = 736,585.60 : x
  2. Step 2: Convert to fraction form
    736,585.60/1,034,019.20 = 736,585.60/x
  3. Step 3: Cross multiply
    736,585.60x = 1,034,019.20 × 736,585.60
  4. Step 4: Simplify right side
    736,585.60x = 761,643,652,843.52
  5. Step 5: Solve for x
    x = 761,643,652,843.52/736,585.60
  6. Step 6: Final answer
    x = 1,034,019.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.