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Finding the Fourth Proportional to 584,452.40, 876,678.60 and 540,712.40

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Solution

The fourth proportional to 584,452.40, 876,678.60 and 540,712.40 is: 811,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,452.40 : 876,678.60 = 540,712.40 : x
  2. Step 2: Convert to fraction form
    584,452.40/876,678.60 = 540,712.40/x
  3. Step 3: Cross multiply
    584,452.40x = 876,678.60 × 540,712.40
  4. Step 4: Simplify right side
    584,452.40x = 474,030,989,834.64
  5. Step 5: Solve for x
    x = 474,030,989,834.64/584,452.40
  6. Step 6: Final answer
    x = 811,068.60

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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.