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Finding the Fourth Proportional to 497,277.60, 745,916.40 and 248,445.60

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Solution

The fourth proportional to 497,277.60, 745,916.40 and 248,445.60 is: 372,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,277.60 : 745,916.40 = 248,445.60 : x
  2. Step 2: Convert to fraction form
    497,277.60/745,916.40 = 248,445.60/x
  3. Step 3: Cross multiply
    497,277.60x = 745,916.40 × 248,445.60
  4. Step 4: Simplify right side
    497,277.60x = 185,319,647,547.84
  5. Step 5: Solve for x
    x = 185,319,647,547.84/497,277.60
  6. Step 6: Final answer
    x = 372,668.40

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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.