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Finding the Fourth Proportional to 573,160.76, 790,830.14 and 355,565.19

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Solution

The fourth proportional to 573,160.76, 790,830.14 and 355,565.19 is: 490,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,160.76 : 790,830.14 = 355,565.19 : x
  2. Step 2: Convert to fraction form
    573,160.76/790,830.14 = 355,565.19/x
  3. Step 3: Cross multiply
    573,160.76x = 790,830.14 × 355,565.19
  4. Step 4: Simplify right side
    573,160.76x = 281,191,670,174.61
  5. Step 5: Solve for x
    x = 281,191,670,174.61/573,160.76
  6. Step 6: Final answer
    x = 490,598.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.