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Finding the Fourth Proportional to 446,335.51, 615,941.10 and 242,385.01

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Solution

The fourth proportional to 446,335.51, 615,941.10 and 242,385.01 is: 334,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,335.51 : 615,941.10 = 242,385.01 : x
  2. Step 2: Convert to fraction form
    446,335.51/615,941.10 = 242,385.01/x
  3. Step 3: Cross multiply
    446,335.51x = 615,941.10 × 242,385.01
  4. Step 4: Simplify right side
    446,335.51x = 149,294,887,209.17
  5. Step 5: Solve for x
    x = 149,294,887,209.17/446,335.51
  6. Step 6: Final answer
    x = 334,490.27

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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.