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Finding the Fourth Proportional to 662,602.60, 993,903.90 and 589,119.40

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Solution

The fourth proportional to 662,602.60, 993,903.90 and 589,119.40 is: 883,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,602.60 : 993,903.90 = 589,119.40 : x
  2. Step 2: Convert to fraction form
    662,602.60/993,903.90 = 589,119.40/x
  3. Step 3: Cross multiply
    662,602.60x = 993,903.90 × 589,119.40
  4. Step 4: Simplify right side
    662,602.60x = 585,528,069,225.66
  5. Step 5: Solve for x
    x = 585,528,069,225.66/662,602.60
  6. Step 6: Final answer
    x = 883,679.10

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Double scale
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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.