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Finding the Fourth Proportional to 617,068.40, 851,541.08 and 334,444.40

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Solution

The fourth proportional to 617,068.40, 851,541.08 and 334,444.40 is: 461,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,068.40 : 851,541.08 = 334,444.40 : x
  2. Step 2: Convert to fraction form
    617,068.40/851,541.08 = 334,444.40/x
  3. Step 3: Cross multiply
    617,068.40x = 851,541.08 × 334,444.40
  4. Step 4: Simplify right side
    617,068.40x = 284,793,145,575.95
  5. Step 5: Solve for x
    x = 284,793,145,575.95/617,068.40
  6. Step 6: Final answer
    x = 461,526.06

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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.