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Finding the Fourth Proportional to 556,886.16, 768,503.46 and 302,237.46

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Solution

The fourth proportional to 556,886.16, 768,503.46 and 302,237.46 is: 417,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,886.16 : 768,503.46 = 302,237.46 : x
  2. Step 2: Convert to fraction form
    556,886.16/768,503.46 = 302,237.46/x
  3. Step 3: Cross multiply
    556,886.16x = 768,503.46 × 302,237.46
  4. Step 4: Simplify right side
    556,886.16x = 232,270,533,751.61
  5. Step 5: Solve for x
    x = 232,270,533,751.61/556,886.16
  6. Step 6: Final answer
    x = 417,088.00

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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.