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Finding the Fourth Proportional to 528,095.70, 792,143.55 and 470,034.90

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Solution

The fourth proportional to 528,095.70, 792,143.55 and 470,034.90 is: 705,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,095.70 : 792,143.55 = 470,034.90 : x
  2. Step 2: Convert to fraction form
    528,095.70/792,143.55 = 470,034.90/x
  3. Step 3: Cross multiply
    528,095.70x = 792,143.55 × 470,034.90
  4. Step 4: Simplify right side
    528,095.70x = 372,335,114,309.90
  5. Step 5: Solve for x
    x = 372,335,114,309.90/528,095.70
  6. Step 6: Final answer
    x = 705,052.35

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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.