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Finding the Fourth Proportional to 584,580.60, 876,870.90 and 407,633.40

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Solution

The fourth proportional to 584,580.60, 876,870.90 and 407,633.40 is: 611,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,580.60 : 876,870.90 = 407,633.40 : x
  2. Step 2: Convert to fraction form
    584,580.60/876,870.90 = 407,633.40/x
  3. Step 3: Cross multiply
    584,580.60x = 876,870.90 × 407,633.40
  4. Step 4: Simplify right side
    584,580.60x = 357,441,866,328.06
  5. Step 5: Solve for x
    x = 357,441,866,328.06/584,580.60
  6. Step 6: Final answer
    x = 611,450.10

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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.