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Finding the Fourth Proportional to 877,054, 1,210,334.52 and 474,646

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Solution

The fourth proportional to 877,054, 1,210,334.52 and 474,646 is: 655,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,054 : 1,210,334.52 = 474,646 : x
  2. Step 2: Convert to fraction form
    877,054/1,210,334.52 = 474,646/x
  3. Step 3: Cross multiply
    877,054x = 1,210,334.52 × 474,646
  4. Step 4: Simplify right side
    877,054x = 574,480,438,579.92
  5. Step 5: Solve for x
    x = 574,480,438,579.92/877,054
  6. Step 6: Final answer
    x = 655,011.48

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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.