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Finding the Fourth Proportional to 530,425.70, 795,638.55 and 472,364.90

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Solution

The fourth proportional to 530,425.70, 795,638.55 and 472,364.90 is: 708,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,425.70 : 795,638.55 = 472,364.90 : x
  2. Step 2: Convert to fraction form
    530,425.70/795,638.55 = 472,364.90/x
  3. Step 3: Cross multiply
    530,425.70x = 795,638.55 × 472,364.90
  4. Step 4: Simplify right side
    530,425.70x = 375,831,724,106.90
  5. Step 5: Solve for x
    x = 375,831,724,106.90/530,425.70
  6. Step 6: Final answer
    x = 708,547.35

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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.