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Finding the Fourth Proportional to 460,018.01, 634,646.67 and 339,448.70

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Solution

The fourth proportional to 460,018.01, 634,646.67 and 339,448.70 is: 468,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,018.01 : 634,646.67 = 339,448.70 : x
  2. Step 2: Convert to fraction form
    460,018.01/634,646.67 = 339,448.70/x
  3. Step 3: Cross multiply
    460,018.01x = 634,646.67 × 339,448.70
  4. Step 4: Simplify right side
    460,018.01x = 215,429,987,090.83
  5. Step 5: Solve for x
    x = 215,429,987,090.83/460,018.01
  6. Step 6: Final answer
    x = 468,307.72

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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.