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Finding the Fourth Proportional to 557,141.07, 767,133.16 and 435,126.32

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Solution

The fourth proportional to 557,141.07, 767,133.16 and 435,126.32 is: 599,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,141.07 : 767,133.16 = 435,126.32 : x
  2. Step 2: Convert to fraction form
    557,141.07/767,133.16 = 435,126.32/x
  3. Step 3: Cross multiply
    557,141.07x = 767,133.16 × 435,126.32
  4. Step 4: Simplify right side
    557,141.07x = 333,799,828,860.77
  5. Step 5: Solve for x
    x = 333,799,828,860.77/557,141.07
  6. Step 6: Final answer
    x = 599,129.82

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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.