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Finding the Fourth Proportional to 604,811.40, 907,217.10 and 249,642.60

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Solution

The fourth proportional to 604,811.40, 907,217.10 and 249,642.60 is: 374,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,811.40 : 907,217.10 = 249,642.60 : x
  2. Step 2: Convert to fraction form
    604,811.40/907,217.10 = 249,642.60/x
  3. Step 3: Cross multiply
    604,811.40x = 907,217.10 × 249,642.60
  4. Step 4: Simplify right side
    604,811.40x = 226,480,035,608.46
  5. Step 5: Solve for x
    x = 226,480,035,608.46/604,811.40
  6. Step 6: Final answer
    x = 374,463.90

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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.