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Finding the Fourth Proportional to 549,482.40, 824,223.60 and 416,622.15

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Solution

The fourth proportional to 549,482.40, 824,223.60 and 416,622.15 is: 624,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,482.40 : 824,223.60 = 416,622.15 : x
  2. Step 2: Convert to fraction form
    549,482.40/824,223.60 = 416,622.15/x
  3. Step 3: Cross multiply
    549,482.40x = 824,223.60 × 416,622.15
  4. Step 4: Simplify right side
    549,482.40x = 343,389,808,312.74
  5. Step 5: Solve for x
    x = 343,389,808,312.74/549,482.40
  6. Step 6: Final answer
    x = 624,933.23

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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.