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Finding the Fourth Proportional to 553,353.70, 830,030.55 and 530,025.70

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Solution

The fourth proportional to 553,353.70, 830,030.55 and 530,025.70 is: 795,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,353.70 : 830,030.55 = 530,025.70 : x
  2. Step 2: Convert to fraction form
    553,353.70/830,030.55 = 530,025.70/x
  3. Step 3: Cross multiply
    553,353.70x = 830,030.55 × 530,025.70
  4. Step 4: Simplify right side
    553,353.70x = 439,937,523,285.14
  5. Step 5: Solve for x
    x = 439,937,523,285.14/553,353.70
  6. Step 6: Final answer
    x = 795,038.55

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Similar ratio
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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.