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Finding the Fourth Proportional to 537,151.60, 805,727.40 and 403,307.20

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Solution

The fourth proportional to 537,151.60, 805,727.40 and 403,307.20 is: 604,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,151.60 : 805,727.40 = 403,307.20 : x
  2. Step 2: Convert to fraction form
    537,151.60/805,727.40 = 403,307.20/x
  3. Step 3: Cross multiply
    537,151.60x = 805,727.40 × 403,307.20
  4. Step 4: Simplify right side
    537,151.60x = 324,955,661,657.28
  5. Step 5: Solve for x
    x = 324,955,661,657.28/537,151.60
  6. Step 6: Final answer
    x = 604,960.80

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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.