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Finding the Fourth Proportional to 931,569.60, 1,397,354.40 and 931,569.60

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Solution

The fourth proportional to 931,569.60, 1,397,354.40 and 931,569.60 is: 1,397,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,569.60 : 1,397,354.40 = 931,569.60 : x
  2. Step 2: Convert to fraction form
    931,569.60/1,397,354.40 = 931,569.60/x
  3. Step 3: Cross multiply
    931,569.60x = 1,397,354.40 × 931,569.60
  4. Step 4: Simplify right side
    931,569.60x = 1,301,732,879,466.24
  5. Step 5: Solve for x
    x = 1,301,732,879,466.24/931,569.60
  6. Step 6: Final answer
    x = 1,397,354.40

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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.