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Finding the Fourth Proportional to 596,430.40, 893,090.40 and 384,923.20

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Solution

The fourth proportional to 596,430.40, 893,090.40 and 384,923.20 is: 576,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,430.40 : 893,090.40 = 384,923.20 : x
  2. Step 2: Convert to fraction form
    596,430.40/893,090.40 = 384,923.20/x
  3. Step 3: Cross multiply
    596,430.40x = 893,090.40 × 384,923.20
  4. Step 4: Simplify right side
    596,430.40x = 343,771,214,657.28
  5. Step 5: Solve for x
    x = 343,771,214,657.28/596,430.40
  6. Step 6: Final answer
    x = 576,381.11

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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.