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Finding the Fourth Proportional to 615,741.60, 923,612.40 and 568,502.40

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Solution

The fourth proportional to 615,741.60, 923,612.40 and 568,502.40 is: 852,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,741.60 : 923,612.40 = 568,502.40 : x
  2. Step 2: Convert to fraction form
    615,741.60/923,612.40 = 568,502.40/x
  3. Step 3: Cross multiply
    615,741.60x = 923,612.40 × 568,502.40
  4. Step 4: Simplify right side
    615,741.60x = 525,075,866,069.76
  5. Step 5: Solve for x
    x = 525,075,866,069.76/615,741.60
  6. Step 6: Final answer
    x = 852,753.60

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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.