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Finding the Fourth Proportional to 610,114.88, 841,673.76 and 383,885.12

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Solution

The fourth proportional to 610,114.88, 841,673.76 and 383,885.12 is: 529,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,114.88 : 841,673.76 = 383,885.12 : x
  2. Step 2: Convert to fraction form
    610,114.88/841,673.76 = 383,885.12/x
  3. Step 3: Cross multiply
    610,114.88x = 841,673.76 × 383,885.12
  4. Step 4: Simplify right side
    610,114.88x = 323,106,032,358.45
  5. Step 5: Solve for x
    x = 323,106,032,358.45/610,114.88
  6. Step 6: Final answer
    x = 529,582.29

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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.