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Finding the Fourth Proportional to 592,111.40, 889,088.70 and 343,279.40

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Solution

The fourth proportional to 592,111.40, 889,088.70 and 343,279.40 is: 515,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,111.40 : 889,088.70 = 343,279.40 : x
  2. Step 2: Convert to fraction form
    592,111.40/889,088.70 = 343,279.40/x
  3. Step 3: Cross multiply
    592,111.40x = 889,088.70 × 343,279.40
  4. Step 4: Simplify right side
    592,111.40x = 305,205,835,482.78
  5. Step 5: Solve for x
    x = 305,205,835,482.78/592,111.40
  6. Step 6: Final answer
    x = 515,453.40

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1.5x scale

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.