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Finding the Fourth Proportional to 625,000.40, 932,012.32 and 619,316.92

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Solution

The fourth proportional to 625,000.40, 932,012.32 and 619,316.92 is: 923,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,000.40 : 932,012.32 = 619,316.92 : x
  2. Step 2: Convert to fraction form
    625,000.40/932,012.32 = 619,316.92/x
  3. Step 3: Cross multiply
    625,000.40x = 932,012.32 × 619,316.92
  4. Step 4: Simplify right side
    625,000.40x = 577,210,999,424.46
  5. Step 5: Solve for x
    x = 577,210,999,424.46/625,000.40
  6. Step 6: Final answer
    x = 923,537.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.