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Finding the Fourth Proportional to 616,490.77, 924,886.93 and 434,476.72

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Solution

The fourth proportional to 616,490.77, 924,886.93 and 434,476.72 is: 651,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,490.77 : 924,886.93 = 434,476.72 : x
  2. Step 2: Convert to fraction form
    616,490.77/924,886.93 = 434,476.72/x
  3. Step 3: Cross multiply
    616,490.77x = 924,886.93 × 434,476.72
  4. Step 4: Simplify right side
    616,490.77x = 401,841,839,034.24
  5. Step 5: Solve for x
    x = 401,841,839,034.24/616,490.77
  6. Step 6: Final answer
    x = 651,821.34

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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.